File like rasping organ called radula is found in members of phylum
Some of the cnidarians have a skeleton of calcium carbonate. These are called corals. Mark the example of coral.
Which of the following statements is incorrect with regard to Ascaris ?
Which of the following is correct about notochord?
Blind sac body plan is found in the phylum
Unisexual organism of the following is
Choanocytes are
What is common to earthworm and silkworm?
Physalia is one member of kingdom Animalia. Choose the option that is incorrect about its phylum.
Which one of the following is matching set of phylum and its three examples?
Choose the false statement regarding Petromyzon .
Which of the following is true regarding Nereis , Pheretima and Hirudinaria ?
During the course of evolution, metamerism first appeared in
Which of the following represents the correct combination of a group with its character, without any exception?
Which one of these animals is not a homeotherm?
Which group of animals belong to the same phylum?
Which of the following is common to Pheretima and Ascaris ?
Which of the following is not a characteristic feature of phylum Mollusca?
When the body can be divided into identical left and right halves in only one plane like that of mirror image, the animal is said to have symmetry.
Which one of the following shows high power of regeneration?
Which of the following has a central gastro-vascular cavity with a single opening, mouth on hypostome?
Select the incorrect match.
Which of the following statement is correct without exception?
Which of the following is not a function of canal system?
Metamerism is shown by the animals included under
Common character in tapeworm and earthworm is
The mesoderm is present as scattered pouches between ectoderm and endoderm in
Identify the correct option based on the given picture.
Read the following statements A) All vertebrates are chordates but all chordates are not vertebrates. B) All jawed vertebrates are tetrapods but all vertebrates are not gnathostomes.
Match the following Column – I Column – II A Sepia i Jellyfish B Asterias ii Devilfish C Aurelia iii Silverfish D Octopus iv Starfish v Cuttlefish A B C D 1. i iv iii v 2. v iii ii i 3. v ii iv i 4. v iv i ii
Which of the following characters are common to both Annelida and Chordata? a) coelom b) bilateral symmetry c) pharyngeal gill-slits d) organ system level e) metamerism f) post-anal tail
Statocysts are
Water vascular system of echinoderms helps in all the following functions except
Central nervous system in lancelets is
Read the following statements and pick out the correct option. (a) Coelenterates, ctenophores, and echinoderms are radially symmetrical. (b) Platyhelminthes includes acoelomates with incomplete gut. (c) The cells and tissues of earthworm are directly bathed in blood. (d) The ectoderm is present as scattered pouches in between the mesoderm and endoderm in Aschelminthes.
Cnidarians and ctenophores share which of the following characteristics?
Which of the following characteristic features holds true for all the animals of the corresponding group? Character Phylum 1. Hooks and Suckers Platyhelminthes 2. Metamerism Echinodermata 3. Jointed appendages Annelida 4. Mantle Mollusca
Which of the following characters is shared by sea hare and sea urchin?
Which of the following is not true about sponges?
Chitinous exoskeleton is one of the key features to the success of arthropods on land because
Which of the following has several larval stages in its life history?
Oil gland in birds is present at the X and helps in Y . X and Y are X Y 1. base of the wings gliding through the air 2. base of the tail water-proofing 3. base of the wings preening of the feathers 4. base of the tail excretion of the wastes
Fasciola is a
Organisms which are devoid of tissues are included under the phylum
Which of the following aspects is first observed in annelids in the course of evolution?
Which of the following is considered a living fossil?
Choose the wrong statement.
Match the name of the animal (column I), with one characteristic (column II), and the phylum / class (column III) to which it belongs.
Which of the following animals is not viviparous?
Match the items given in column I with those in column II and select the correct option. Column I Column II a. Placoid scales i. Scoliodon b. Ear pinna ii. Macropus c. Pneumatic bones iii. Neophron d. Anadromous migration iv. Petromyzon
Which of the following features is not present in Periplaneta americana ?
Which of the following statements are true for the phylum Chordata? (a) In Urochordata notochord extends from head to tail and it is present throughout their life. (b) In Vertebrata notochord is present during the embryonic period only. (c) Central nervous system is dorsal and hollow. (d) Chordata is divided into 3 subphyla: Hemichordata, Tunicata and Cepholochordata.
Which two of the four characters are given below are the general characters of the phylum Mollusca? i. Triploblastic, segmented and coelomate animals. ii. Gills are present in the mantle cavity. iii. Body is divided into proboscis, collar and trunk. iv. Body is covered by a calcareous shell.
Select the incorrect match.
Which one of the following is a character of all the members of Aschelminthes, without any exception?
Identify the vertebrate group of animals characterized by the presence of 6-15 pairs of gills for respiration.
Which of the following represents the correct combination of a taxonomic group with its characteristics, without any exception?
Select the freshwater sponge from the following.
Select the correct match.
In Molluscans, feather like gills present in the mantle cavity are helpful in
Which of the following pair belong to phylum Mollusca?
Statement 1 All vertebrates are chordates. Statement 2 All chordates are vertebrates.
Which of the following is the character of Cyclostomata?
Which of the following fish is commonly called Great white shark?
Water vascular system of echinoderms does not serve which of the following functions?
Coelenterates, ctenophores and echinoderms exhibit
Radula is a rasping organ present in
Mark the correct statement.
Hemichordates share which of the following character with chordates?
Match the following and choose the correct option. Column I Column II (a) Poisonous sting (i) Bufo (b) Electric organ (ii) Pterophyllum (c) Air bladder (iii) Trygon (d) Tympanum (iv) Torpedo
Which of the following shed their scales as skin cast?
Body of Pila is divisible into
Match the following and choose the correct option. Column I Column II (a) Placoid scales (i) Bufo (b) Operculum (ii) Scoliodon (c) Jawless mouth (iii) Pterophyllum (d) Tympanum (iv) Petromyzon (a) (b) (c) (d) 1 iii ii iv i 2 ii iv iii i 3 ii iii iv i 4 i iii iv ii
Which of the following shows high power of regeneration?
Which of the following lives in commensal relationship with shrimps?
Following are the figures showing germinal layers in organisms. Choose the correct answer w.r.t. figures (a) and (b).
Which of the following is incorrect match of animal, coelom, segmentation and circulatory system? Animal Coelom Segmentation Circulatory system 1. Nereis Coelomate Metameric Closed 2. Ascaris Pseudocoelomate Absent Absent 3. Butterfly Coelomate Metameric Closed 4. Fasciola Acoelomate Absent Absent
Consider following phylums A. Cnidaria B. Ctenophora C. Platyhelminthes D. Aschelminthes Choose the correct option regarding them.
Echinodermata is the subgroup of Bilateria animals. What common feature it shares with Hydra ?
Millipedes and centipedes differ in that, millipedes
Prototherians differ from all other mammals by the
Read the following statements. (a) Organ systems in different groups of animals exhibit various patterns of complexities. (b) Any plane passing through the central axis of the body divides a radially symmetrical organism into two identical halves. (c) An undifferentiated layer called mesoglea is present in between the ectoderm and the endoderm in coelenterates. (d) Notochord is formed on the ventral side during embryonic development in chordates. Choose the correct answer from the options given below.
Select the group of animals which exhibit two different types of symmetry at different stages of life.
Select the option including all triploblastic animals.
Structures helpful for excretion and osmoregulation are (a) nematocysts (b) nephridia (c) comb plates (d) flame cells (e) spicules Choose the correct answer from the options given below.
Which of the following is triploblastic and monoecious?
Which of the following has a dorso-ventrally flattened body?
Which of the following is a dioecious animal with sexual dimorphism?
Match the items given in column I with those in column II and select the correct option. Column I Column I (a) Euspongia (i) Sea pen (b) Pennatula (ii) Freshwater sponge (c) Spongilla (iii) Sea fan (d) Gorgonia (iv) Bath sponge a b c d 1. iv i ii iii 2. ii i iv iii 3. iv iii ii i 4. i iv iii ii
Each of these organisms have organ systems each of which is concerned with a specific physiological function, except
Which of the following feature is not observed in coelenterates?
Arrange the levels of organisation in correct sequence with increasing complexity.
All the following are flatworms, except
Identify the mismatch.
Identify the feature that is not applicable to sea walnut.
Mark the correct statement about Bombyx.
Match the following and choose the correct option. Column I Column II (a) Columba (i) Turtle (b) Chelone (ii) Pigeon (c) Clarias (iii) Garden lizard (d) Calotes (iv) Magur a b c d 1. ii i iii iv 2. ii iv i iii 3. ii i iv iii 4. i ii iv iii
Assertion (A) : Platypus is classified as mammal. Reason (R) : Platypus is oviparous.
Match the following Column – I Column – II A Calcareous ossicles I Chaetopleura B Radula II Nereis C Parapodia III Pennatula D Comb plates IV Pleurobrachia V Ophiura A B C D 1. V I III II 2. IV III II I 3. V II IV I 4. V I II IV
Which of the following characters are common to both Annelida and Chordata? a) coelom b) bilateral symmetry c) pharyngeal gill-slits d) organ system level e) metamerism f) post-anal tail
Water vascular system of echinoderms helps in all the following functions except
Which organisms absorb nutrients from the host directly through their body surface?
Central nervous system in arthropods is
Pseudocoelomate among the following is
Which of the following is considered ‘a living fossil’ among arthropods?
Function of radula is
Chordate character found in hemichordates is
Stomochord is present in the collar region of
Excretory structure in Saccoglossus is
Book gills are found in
Which of the following represents the correct match of a feature with the given set of animals? Feature Organisms 1. Diploblastic condition Hydra , sea walnut, Planaria 2. Bilateral symmetry Hagfish, cuttlefish, jellyfish 3. True coelom Dogfish, devil fish, star fish 4. Notochord Lancelet, leech, lac insect
A file-like rasping organ called radula is present in the buccal cavity of
Which of the following animal groups is incorrectly paired with its characteristic?
The presence of water vascular system is the most distinctive feature of
Choose the correct statement.
In which one of the following, the genus name and its two characters are not correctly matched? Organism Characters 1. Ascidia (i) Pharyngeal gill-slits (ii) Retrogressive metamorphosis 2. Labeo (i) Operculum (ii) Placoid scales 3. Petromyzon (i) Ectoparasite on fishes (ii) Closed circulatory system 4. Alligator (i) Scutes over the body (ii) Four-chambered heart
Select the option which shows correct combination of an organism and its feature.
The presence of water vascular system is the most distinctive feature of
Consider following features: (a) Internal fertilisation (b) A pair of jaws (c) Mostly viviparous Select the correct option of animal groups which possess all the above characteristics.
External fertilisation occurs in
Osteichthyes possess which kind of scales?
Match the following and choose the correct option. Column – I Column – II A Exocoetus I Magur B Clarias II Fighting fish C Betta III Angel fish D Pterophyllum IV Flying fish A B C D 1. II I IV III 2. IV I II III 3. IV II III I 4. I II III IV
The additional chambers in the digestive tract of birds that serve for storage of food and grinding of food are respectively
Which of following fishes has an air bladder?
Which of the following is a freshwater bony fish?
Complete gut appeared for the first time in
Match the following and choose the correct option. Column-I Column-II a Equus i Moist skin b Hyla ii Modified Forelimbs c Columba iii Skin casting d Bangarus iv Mammary glands are present a b c d 1. iv i ii iii 2. iv i iii ii 3. iii ii i iv 4. i ii iii iv
Which one of the following is a living fossil?
Statement I: A shark can stay at a desired level in water without much expenditure of energy. Statement II: Shark has a buoyancy regulating organ called the swim bladder.
Match the Column I and Column II and choose the correct combination from the options given. Column-I Column-II a. Pinctada i. Chiton b. Loligo ii. Sea-hare c. Chaetopleura iii. Pearl oyster d. Dentalium iv. Squid e. Aplysia v. Tusk shell a b c d e 1 (iii) (iv) (i) (v) (ii) 2 (iv) (iii) (ii) (v) (i) 3 (iii) (iv) (i) (ii) (v) 4 (v) (i) (iii) (iv) (ii)
If ‘1’ represents extracellular digestion, ‘2’ represents intracellular digestion and ‘3’ represents both types, then select the correct option for Cnidaria, Ctenophora and Porifera.
In sponges, fertilisation is (A) and development is (B) having a larval stage which is morphologically (C) the adult. Select the option that correctly fills the blanks A, B and C. A B C 1. internal indirect distinct from 2. internal indirect similar to 3. external direct distinct from 4. external indirect similar to
Osteichthyes possess which kind of scales?
The correct flow of water current in sponges is
Match the following and choose the correct option. Column-I Column-II A Bufo I Salamander B Rana II Frog C Hyla III Limbless amphibian D Salamandra IV Tree frog E Ichthyophis V Toad A B C D E 1 II V IV I III 2 V II IV I III 3 II IV V I III 4 V IV II I III
Which one of the following is a living fossil?
If ‘1’ represents extracellular digestion, ‘2’ represents intracellular digestion and ‘3’ represents both types, then select the correct option for Cnidaria, Ctenophora and Porifera.
Which of the following organisms exhibits all the following features? (a) Poikilothermy (b) Three-chambered heart (c External fertilisation (d) Indirect development
In sponges, fertilisation is (A) and development is (B) having a larval stage which is morphologically (C) the adult. Select the option that correctly fills the blanks A, B and C. A B C 1. internal indirect distinct from 2. internal indirect similar to 3. external direct distinct from 4. external indirect similar to
The notochord is persistent throughout the life in
Statement-I: Fertilisation in cartilaginous fishes is usually internal. Statement-II: In male cartilaginous fishes, pectoral fins bear claspers.
Identify aquatic mammals from the following. i) Balaenoptera ii) Equus iii) Delphinus iv) Pteropus v) Scoliodon
Tetrapoda is a
Alimentary canal is absent in
Statement I : Reproduction takes place only by sexual means in ctenophores. Statement II : Sexes are not separate in ctenophores.
How many of the following birds cannot fly in air? Corvus , Columba , Psittacula , Struthio , Pavo , Aptenodytes , Neophron
Identify the correct combination from the following.
Great white shark is a/an
Identify the fish that has to swim constantly to avoid sinking.
Development is indirect in
In coelomates, the body cavity is present between
Great white shark has
Identify the correct combination from the following.
Jawed vertebrate in which the notochord is persistent throughout life is
Read the following statements. Statement-A: Snakes and lizards shed their scales as skin cast. Statement-B: Snakes and lizards have loose, moist glandular skin.
Read the following combinations: (a) Parapodia – Annelida (b) Radula – Mollusca (c) Gill slits – Hemichordata (d) Comb plates – Echinodermata (e) Scales – Cyclostomata (f) Water vascular system – Porifera The INCORRECT combinations in the above are
Identify the correct combination.
Which of the following is the character differentiates parasitic flatworms from free-living flatworms?
Which of the following represents the correct combination without any exception ?
Which among these is the correct combination of aquatic mammals?
Which of the following represents order of ‘Horse’?
Match the following columns and select the correct option : Column I Column II (a) Aptenodytes (i) Flying fox (b) Pteropus (ii) Angel fish (c) Pterophyllum (iii) Lamprey (d) Petromyzon (iv) Penguin
The crow differs from the crocodile in having
Which one of the following groups of animals is correctly matched with its characteristic feature without any exception?
Which of the following represents correct match of feature with the given set of animals ?
Which among these is the correct combination of homeotherms?
Which of the following represents the correct combination of a taxonomic group with its characteristics, without any exception?
Which of the following represents the correct combination of a taxonomic group with its characteristics, without any exception?
Which among these is the correct combination of Amniotes?
Which of the following represents the correct combination of a group with its character, without any exception?
Which one of these animals is not Viviparous?
Which among these is the correct combination of poikilotherms?
Which among these is the correct combination of homeotherms?
Which group of animals belong to the same phylum?
Select the match one among the following.
Which one of the following is not a general character of birds?
Which of the following characteristic features holds true for all the animals of the corresponding group?
Which among these is the correct combination of poikilotherms?
Which of the following are correctly matched with respect to their taxonomic classification?
Select the correct set of homeotherms.
Which of the following represents the correct combination of a taxonomic group with its characteristics, without any exception?
Which of the following represents the correct combination of a taxonomic group with its characteristics, without any exception?
Which of the following represents the correct combination of a group with its character, without any exception?
Which of the following represents the correct combination of a group with its character, without any exception?
Identify the vertebrate group of animals characterized by the presence of 3 chambered heart
Which among these is the correct combination of homeotherms?
Which one of these animals is not a homeotherm?
Organ system level of organisation is not found in the phylum
Most of the sponges are
The unique character of sponges is that they
Both intracelllular and extracellular digestion occur in how manny of the following animals? Physalia, Pleurobrachia, Euspongia, Gorgonia, Ctenoplana
Porous body with a canal system, flagellated cells lining the central cavity, internal fertilisation and indirect development are the characteristics of the phylum
Select the taxon that represent mostly marine and a few freshwater species.
Sponges are
In case of sponges, water exits the spongocoel through
Spongocoel of simple sponges is lined by
Which of the following characteristic features holds true for all the animals of the corresponding group?
Which of the following is a hermaphrodite?
Which of the following is not a characteristic of phylum Porifera?
Which group of animals belong to the same phylum?
Match the following genera with their respective common names. Column I Column II (a) Aurelia (i) Sea fan (b) Gorgonia (ii) Portuguese man-of-war (c) Physalia (iii) Jellyfish (d) Adamsia (iv) Sea anemone Select the correct option.
Digestion is exclusively intracellular in
The development of which of the following animals includes a larval stage that is morphologically distinct from the adult?
Which of the following options correctly matches a genus with its two characters and its phylum? 1. Obelia (i) Alternation of polyp and medusa stages Cnidaria (ii) Comb plates help in locomotion 2. Nereis (i) Metameric segmentation Annelida (ii) Jointed legs 3. Taenia (i) Flame cells help in excretion and osmoregulation Ctenophora (ii) Absorbs nutrients from the host through the body surface 4. Ascaris (i) Pseudocoelom Aschelminthes (ii) Alimentary canal is complete with a mouth and an anus
The body surface is distinctly marked into metameres in
Select the correct match.
Which of the following represents the correct match of a feature with the given set of animals? Feature Animals A. Water vascular system Sea lily, sea cucumber, sea hare B. Radula Apple snail, pearl oyster, starfish C. Jointed appendages Locust, butterfly, prawn D. Parapodia Nereis , earthworm, leech
Select the correct statement.
Which of the following characteristic features holds true for all the animals of the corresponding group?
Which of the following animals belong to the same phylum?
Select the correct set of characteristics of phylum Echinodermata.
Select the option that correctly matches a characteristic feature with the group of three animals.
Which of the following are correctly matched with respect to their taxonomic classification?
The most distinctive feature of echinoderms is
Which of the following animal groups is correctly paired with its characteristic?
Radula of molluscs helps in
Unsegmented body with a distinct head, muscular foot and visceral hump covered by mantle is the characteristic of the phylum
Which of the following is a marine fish with an air bladder?
Which one of the following is true regarding Hyla ?
Aves originated from reptiles. Which of the following is not an advancement of birds over reptiles?
In sharks, claspers are present on
Which of the following has closed circulatory system?
Which one of the following is not a general character of birds?
Starfish and hagfish share all of the following features, except
Which one of the following is not a character of Rana ?
Crocodiles resemble mammals by the presence of
Match the following and choose the correct option. Column I Column II (a) Rana (i) Toad (b) Bufo (ii) Salamander (c) Hyla (iii) Tree frog (d) Salamandra (iv) Common frog (a) (b) (c) (d) 1 i iv iii ii 2 iv i iii ii 3 ii iii iv i 4 iv i ii iii
Which of the following characters is present in all mammals, without even a single exception?
Match the name of the animal with one characteristic and the taxon to which it belongs. Animal Character Taxon 1 Ophiura Internal fertilisation Echinodermata 2 Balanoglossus Proboscis gland Hemichordata 3 Petromyzon Direct development Cyclostomata 4 Trygon Electric organs Chondricthyes
Which one of these animals is not a poikilotherm?
Which one of these animals is a poikilotherm?
Which of the following is a correct difference between Scoliodon and Labeo ? Scoliodon Labeo 1 Habitat Freshwater Marine 2 Air bladder Present Absent 3 Excretion Ammonotelic Ureotelic 4 Operculum Absent Present
Which of the following is called Gregarious pest?
Which of the following is not a general character of Arthropoda?
Which of the following animal contains a file-like rasping organ called radula for feeding?
Which of the following is the triploblastic, bilaterally symmetrical, coelomate with tracheal system for the respiration?
Which of the following is not the character phylum Mollusca?
In earlier days, which of the following phylum was considered as sub-phylum under phylum Chordata?
Select the animals which belongs to phylum Mollusca.
Which of the following is a general character of class amphibia?
Select the correct set of examples of a given taxon.
Select the correct matching of a phylum and its general characters.
Select the correct statement about sexual dimorphism.
Consider the following features. A. Tympanum represents the ear. B. Two pairs of limbs are present. C. Skin is dry and cornified. Select the correct set of animals which possess all the above characteristics.
The correct systematic position of Rana is
Which of the following correctly represents a unique character of the given taxon?
Which of the following is true about Bungarus, Corvus and Macropus?
Select the correct matching.
Select the correct statement.
Which of the following animals sheds its scales as skin cast?
Match the following organisms with their respective characteristics. Column I Column II (a) Canis (i) Operculum (b) Catla (ii) Pneumatic bones (c) Columba (iii) Pinna (d) Carcharodon (iv) Claspers Select the correct option.
Gill-slits are present but notochord is absent in
Which of the following is an oviparous mammal that produces milk but lacks nipples?
Similarity between Ascaris and Nereis is that both
In molluscs, mantle is a
Which of the following sets are coelomates?
Which of the following open into the cloaca of amphibians?
A closed circulatory system first appeared in the phylum
Stinging cells are present in all the following, except
Which of the following is a triploblastic, coelomate and unsegmented animal?
The vertebrate group characterised by a bony endoskeleton, an operculum and an air bladder is
Both homeothermy and viviparity are the features of
Study the following. (a) Taenia – Flame cells (b) Asterias – Proboscis glands (c) Balanoglossus – Green gland (d) Nereis – Nephridia Which of the above are the correct combinations of an animal and its excretory organs?
Paired fins are absent in
The invertebrate group characterised by the water vascular system is
Consider the following features. a. Open circulatory system b. Metamerism c. True coelom Select the correct set of animals that posses all the above features.
The phylum that includes exclusively marine worm-like animals is
Select the correct pair of aquatic mammals.
In Ascidia, notochord is
Planaria and Pheretima are
Which of the following are triploblastic?
True coelom is
Which of the following belongs to the group Osteicthyes?
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Pristis (i) Cuttlefish (b) Betta (ii) Sawfish (c) Myxine (iii) Fighting fish (d) Sepia (iv) Hagfish
Which of the following options correctly represents the characteristic features of Osteichthyes?
Match the following and choose the correct option. Column I Column II (a) Asymmetry (i) Pheretima (b) Biradial symmetry (ii) Pleurobrachia (c) Pentamerous radial symmetry (iii) Pila (d) Bilateral symmetry (iv) Asterias
Which of the following is a reptile?
Which of the following have skeleton composed of calcium carbonate?
Which of the following set of cnidarians or corals have skeleton composed of calcium carbonate?
Which of the following is not the characteristic feature of ctenophora?
In cnidarians digestion occurs in gastrovascular cavity and then inside the endodermal cells. In sponges the digestion is A and takes place in B . Correct option for blanks A and B is
Which of the following is not a characteristic feature of phylum Arthropoda?
Which of the following is bath sponge?
Consider following things A. Water Vascular system B. Adult with radial symmetry and larva with bilateral symmetry C. Indirect development D. Excretory system is absent Choose from above which are correct about star fish
The organism can be divided into similar halves by passing a plane at any angle along a central axis is called
Pteropus differs from Corvus in having
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Flatworms (i) Pseudocoelomates (b) Roundworms (ii) Diploblastic (c) Earthworms (iii) Coelomates (d) Coelenterates (iv) Acoelomates a b c d 1. iv i iii ii 2. i iv iii ii 3. iv iii i ii 4. iii ii i iv
A single opening to the outside of the body serves as both mouth and anus in
The cells are arranged as loose cell aggregates and tissues are absent in
Statement I : Annelids and arthropods are bilaterally symmetrical. Statement II : Their body can be divided into identical left and right halves in two planes.
The body is supported by a skeleton made up of spicules or fibres in all the following animals, except
Identify the animals without a body cavity and with a body cavity not lined by peritoneum.
Which of the following options correctly describes sponges?
Cilia help for locomotion in
Which one of the following organisms bears cnidocytes?
Bioluminescence is well-marked in
Which of the following features are common for Cnidaria and Ctenophora? (a) Exclusively marine (b) Metagenesis (c) Tissue level of organisation (d) Radial symmetry (e) Diploblastic nature
Which of the following statements are true for the phylum Aschelminthes? (a) Their body surface is distinctly marked out into segments. (b) Alimentary canal is complete with a muscular pharynx. (c) Sexes are not separate. (d) Development may be direct or indirect.
Longitudinal and circular muscles in the body wall help for locomotion in
Read the following a) Exclusive fresh water forms b) Well marked bioluminescence c) External rows of ciliated comb plates d) Asexual reproduction is by budding Choose the correct statements with regard to ctenophores.
Cnidoblasts are used for all, except
Pseudocoelom would be present in the transverse section of all the following animals, except
Which of the following is a triploblastic acoelomate?
Which of the following phylum has mesoderm and exhibits metamerism?
The property of a living organism to emit light is well marked in the members of the phylum with
Bilateral symmetry is exhibited by
Mark the correct statement with regard to open circulation.
Tissues are grouped together to form organs in
Which of the following is not a feature of annelids?
Which of the following is not related to closed circulatory system?
All the following are diploblastic, except
In which of the following members, the digestive system has only single opening to the outside of the body that serves as both mouth and anus?
In sponges, division of labour occurs among the
Which of the following do not show radial symmetry?
Identify the mismatch.
Identify the groups with tissue grade of organisation.
Digestion is strictly intracellular in
Bilaterally symmetrical and coelomate animals are exemplified by
Select the correct statement about flatworms.
Mark the organism with organ level of organisation from the following.
What symmetry is exhibited by the diploblastic organisms?
The body of Hydra
Choose the correct set of coelomates from the following.
Fertilisation is internal in all the following, except
The water leaves the body of sponges through
Which of the following structures are modified placoid scales in Trygon ?
Oil gland in birds is present at the X and helps in Y . X and Y are X Y 1. base of the wings gliding through the air 2. base of the tail water-proofing 3. base of the wings preening of the feathers 4. base of the tail excretion of the wastes
Heart in Hyla is
Read the following statements A) All vertebrates are chordates but all chordates are not vertebrates. B) All jawed vertebrates are tetrapods but all vertebrates are not gnathostomes.
Mantle cavity in molluscs is the space between
Exoskeleton of arthropods is
Notochord is confined only to larval tail in
Excretory structure in Saccoglossus is
Freshwater organism with cellular level of organisation is
Match the following and choose the correct option. Column – I Column – II A Sea anemone I Gorgonia B Sea hare II Aplysia C Sea urchin III Ascidia D Sea fan IV Echinus V Adamsia A B C D 1. I IV III V 2. IV III II I 3. V II IV I 4. V III I II
Exoskeleton of arthropods is
Which phylum is characterised by metamerism and open circulation?
First ever tetrapod vertebrates belong to
Mantle cavity in molluscs is the space between
Read the following statements and choose the correct option. A) In pseudocoelomates, body cavity is not lined by mesoderm and mesoderm is present as scattered pouches in between the ectoderm and endoderm. B) In arthropods, body can be divided into identical left and right halves in only mid sagittal plane.
Notochord is confined only to larval tail in
Only intracellular digestion takes place in
Choose the correct statements about ctenophores. A) Digestion is both extracellular and intracellular. B) Asexual reproduction takes place by budding. C) Diploblastic with tissue level of organisation. D) Unisexual animals with indirect development.
Match the following Column – I Column – II A Calcareous ossicles I Chaetopleura B Radula II Nereis C Parapodia III Pennatula D Comb plates IV Pleurobrachia V Ophiura A B C D 1. V I III II 2. IV III II I 3. V II IV I 4. V I II IV
Which phylum is characterised by the presence of undifferentiated mesoglea between ectoderm and endoderm?
Match the following and choose the correct option. Column – I Column – II A Silk I Laccifer B Pearls II Corallium C Lac III Bombyx D Honey IV Pinctada V Apis A B C D 1. III II I V 2. IV III II I 3. III IV I V 4. V I II IV
Which organisms absorb nutrients from the host directly through their body surface?
Symmetry exhibited by Pleurobrachia is
Match the following and choose the correct option. Column – I Column – II A Acoelomate I Ctenoplana B Pseudocoelomate II Planaria C Diploblastic animal III Hirudinaria D Coelomate IV Wuchereria V Euspongia A B C D 1. II IV I V 2. II IV V I 3. V II IV I 4. II IV I III
Echinoderms exhibit
In which of the following options, all belong to the same phylum?
Which of the following is not an arthropod character?
Select the option which shows correct combination of an organism and its feature.
Choose the correct set of features of Osteicthyes. (a) Air sac (b) Air bladder (c) Claspers (d) Cloaca (e) Operculum (f) Osphradium
Heart in Hyla is
Cnidocytes help in
Which of the following characteristic features holds true for all the animals of the corresponding group? Character Phylum 1. Hooks and Suckers Platyhelminthes 2. Metamerism Echinodermata 3. Jointed appendages Annelida 4. Mantle Mollusca
Select the option that correctly matches a characteristic feature with the group of three animals.
Cnidarians and ctenophores share which of the following characteristics?
Match the following genera with their respective phyla. Column I Column II (a) Adamsia (i) Mollusca (b) Aplysia (ii) Aschelminthes (c) Ascidia (iii) Chordata (d) Ancylostoma (iv) Cnidaria a b c d 1. i iv iii ii 2. iv i iii ii 3. ii iii i iv 4. iv i ii iii
Which of the following characters is present in all mammals, without even a single exception?
Which of the following are similar in their basic function?
Aves originated from reptiles. Which of the following is not an advancement of birds over reptiles?
Match the following organisms with their respective characteristics. Column I Column II (a) Canis (i) Operculum (b) Catla (ii) Pneumatic bones (c) Columba (iii) Pinna (d) Carcharodon (iv) Claspers a b c d 1. iii ii i iv 2. iv i ii iii 3. iii i ii iv 4. i iii iv ii
External fertilisation occurs in
Select the number of bony fishes from the following: Exocoetus, Trygon, Hippocampus, Torpedo, Labeo, Pristis, Catla, Scoliodon, Clarias, Carcharodon
Amphibians belongs to superclass
Match the following and choose the correct option. Column-I Column-II A. Canis I. Cat B. Equus II. Rat C. Rattus III. Horse D. Felis IV. Dog A B C D 1 IV III II I 2 I III II IV 3 IV III I II 4 I II III IV
Identify aquatic mammals from the following. i) Balaenoptera ii) Equus iii) Delphinus iv) Pteropus v) Scoliodon
What is common among parrot, platypus and kangaroo?
Which of the following correctly describes an animal group without a single exception?
Comb plates are found in
The notochord is persistent throughout the life in
The following characters are applicable to which phylum? a) Hooks & suckers are present in parasitic forms. b) Some of them absorb nutrients from the host directly through their body surface. c) Fertilisation is internal and development is through many larval stages.
The correct flow of water current in sponges is
Select the number of bony fishes from the following: Exocoetus, Trygon, Hippocampus, Torpedo, Labeo, Pristis, Catla, Scoliodon, Clarias, Carcharodon
Match the following and choose the correct option. Column-I Column-II A. Canis I. Cat B. Equus II. Rat C. Rattus III. Horse D. Felis IV. Dog A B C D 1 IV III II I 2 I III II IV 3 IV III I II 4 I II III IV
Which of following fishes has an air bladder?
Which of the following open into the cloaca in amphibians? (a) Alimentary canal (b) Urinary tract (c) Reproductive tract
Match the columnsI & II and choose the correct combination from the options given Column-I Column-II a Macaca i Limbless Vertebrate b Corvus ii Cloacal chamber c Vipera iii Pneumatic bones d Bufo iv Ear pinna a b c d 1. iv iii i ii 2. iii iv i ii 3. i ii iv iii 4. i ii iii iv
Animals of which of the following phyla are triploblastic and bilaterally symmetrical?
Match the following and choose the correct option. Column-I Column-II a Equus i Moist skin b Hyla ii Modified Forelimbs c Columba iii Skin casting d Bangarus iv Mammary glands are present a b c d 1. iv i ii iii 2. iv i iii ii 3. iii ii i iv 4. i ii iii iv
Match the Column I and Column II and choose the correct combination from the options given. Column-I Column-II a. Pinctada i. Chiton b. Loligo ii. Sea-hare c. Chaetopleura iii. Pearl oyster d. Dentalium iv. Squid e. Aplysia v. Tusk shell a b c d e 1 (iii) (iv) (i) (v) (ii) 2 (iv) (iii) (ii) (v) (i) 3 (iii) (iv) (i) (ii) (v) 4 (v) (i) (iii) (iv) (ii)
Comb plates are found in
Which of the following correctly describes an animal group without a single exception?
Which of the following mammals exhibits aerial adaptations?
Which of the following is a limbless reptile?
Select the incorrect statement about the phylum Aschelminthes.
Complete gut appeared for the first time in
Besides the mammals, viviparity is also found in many members of
Depending on their stage, two different kinds of symmetries are found in the animals of the phylum
Read the following statements. (a) Calcareous spicules constitute the skeleton of some of the sponges. (b) Stinging corpuscles are present only on the tentacles of cnidarians. (c) The property of a living organism to emit light is well-marked in ctenophores. (d) All flatworms absorb nutrients from the host directly through their body surface. In the above, the INCORRECT statements are
Read the following statements. Statement-A: Snakes and lizards shed their scales as skin cast. Statement-B: Snakes and lizards have loose, moist glandular skin.
Statement 1 : All tapeworms are flatworms. Statement 2 : All flatworms are tapeworms.
Planaria possess high capacity of
In Pleurobrachia , comb plates help in
Phylum Platyhelminthes is named so based on
Ctenophora includes
In Hydra , the extracellular digestion takes place in
Select the incorrect statement about Platyhelminthes.
Read the following combinations: (a) Parapodia – Annelida (b) Radula – Mollusca (c) Gill slits – Hemichordata (d) Comb plates – Echinodermata (e) Scales – Cyclostomata (f) Water vascular system – Porifera The INCORRECT combinations in the above are
The body of Spongilla
Which of the following is the character differentiates parasitic flatworms from free-living flatworms?
Identify the correct combination. Group Salient feature 1 Amphibia Single circulation 2 Reptilia Mesodermal exoskeleton 3 Birds Fully ossified endoskeleton 4 Mammalia Right systemic arch
The phylum Cnidaria is named so based on the presence of
Which of the following is bilaterally symmetrical?
Which of the following are unique features of mammals?
Balanoglossus is the connecting link between
Proboscis gland in Balanoglossus is concerned with
Notochord is persistent throughout life in
Which of the following set of characters are present in all mammals without exception?
Which of the following exhibits bilateral symmetry during larval stage and radial symmetry during adult stage?
Assertion (A) : Bats and whales are classified as mammals. Reason (R) : Bats and whales have a four-chambered heart.
Metagenesis refers to
Which one of the following is a matching pair of a body feature and the animal possessing it?
File-like rasping organ in molluscs is
Aschelminthes includes a. free-living animals b. parasites in plants c. parasites in animals d. free-living and aquatic forms e. free-living and terrestrial forms
Read the following statements. (a) Calcareous spicules constitute the skeleton of some of the sponges. (b) Stinging corpuscles are present only on the tentacles of cnidarians. (c) The property of a living organism to emit light is well-marked in ctenophores. (d) All flatworms absorb nutrients from the host directly through their body surface. In the above, the INCORRECT statements are
Depending on their stage, two different kinds of symmetries are found in the animals of the phylum
During the course of evolution, metamerism first appeared in
In Hydra , the extracellular digestion takes place in
Pneumatic bones are found in
Which of the following endoparasites of humans does show viviparity?
The characteristics of class Reptilia are
Which of the following are correctly matched with respect to their taxonomic classification?
Which group of animals belong to the same phylum?
One of the representatives of Phylum Arthropoda is
Which one of the following groups of animals reproduces only by sexual means?
Which of the following characteristics is mainly responsible for diversification of insects on land?
Which one of the following animals is correctly matched with its one characteristic and the taxon?
Sharks and dog fishes differ from skates and rays because
Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of Phylum
Metagenesis refers to
Which one of the following animals has two separate circulatory pathways?
Select the taxon mentioned that represents both marine and fresh water species.
Planaria possesses high capacity of
A marine cartilaginous fish that can produce electric current is
A jawless fish, which lays eggs in fresh water and whose arnrnocoetes larvae after metamorphosis return to the ocean is
Radially symmetrical triploblastic animals are included under the phylum
Which of the following statements are true for phylum Ctenophora? a. Cnidoblasts are used for anchorage, defense and for the capture of prey b. Digestion is extracellular and intracellular c. Polyp and medusa stages alternate with each other during life cycle. d. Reproduction takes place only by sexual means.
Which one of the following characteristics is not shared by birds and mammals?
Which of the following characteristic features always holds true for the corresponding group of animals?
Which of the following features is not present in the Phylum Arthropoda?
In case of poriferans, the spongocoel is lined with flagellated cells called
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Chelone (i) Turtle (b) Columba (ii) Magur (c) Clarias (iii). Pigeon (d) Chameleon (iv) Tree lizard
Which of the following animals does not undergo metamorphosis?
Identify the vertebrate group of animals characterised by crop and gizzard in its digestive system.
Which one of these animals is not a homeotherm?
Which of the following options correctly represents the characteristic features of the Phylum Arthropoda?
Protochordates can be called invertebrate chordates. Why?
In sponges, water goes out of the body through
Choose the correct statement.
Bilaterally symmetrical and acoelomate animals are exemplified by :
Match the following columns and select the correct option Column I Column II (a) 6-15 pairs of gill slits (i) Trygon (b) Heterocercal caudal fin (ii) Cyclostomes (c) Air Bladder (iii) Chondricthyes (d) Poison sting (iv) Osteicthyes
Match the following group of organisms with their respective distinctive characteristics and select the correct option. Organisms Characteristics (a) Platyhelminthes (i) Cylindrical body with no segmentation (b) Echinoderms (ii) Warm blooded animals with direct development (c) Hemichordates (iii) Bilateral symmetry with incomplete digestive system (d) Aves (iv) Radial symmetry with indirect development
All vertebrates are chordates but all chordates are not vertebrates, why?
Which of the following options correctly represent the characteristic features of phylum Annelida?
Match the following genera with their respective common names. Column I Column II (a) Chameleon (i) Turtle (b) Chelone (ii) Tortoise (c) Testudo (iii) Tree lizard (d) Calotes (iv) Garden lizard
Match the following genera with their respective phylum: (a) Ophiura (i) Mollusca (b) Physalia (ii) Platyhelminthes (c) Pinctada (iii) Echinodermata (d) Planaria (iv) Coelenterata Select the correct option:
Which of the following animals are true coelomates with bilateral symmetry?
Which of the following possess an open circulatory system? A. Nereis B. Limulus C. Balanoglossus D. Branchiostoma
Choose the false statement regarding Petromyzon .
Which of the following symmetry is exhibited by Echinoderm larvae?
Select the incorrect combination, with respect to phyla of animal kingdom.
Which one of the following characteristics is not shared by Crocodylus and Corvus ?
Important characteristic that hemichordates share with chordates is
Identify the vertebrate group of animals characterized by the absence of jaws, scales and paired fins.
Which of the following represents the correct combination of a taxonomic group with its characteristics, without any exception?
Which of the following are correctly matched with respect to their taxonomic classification?
Identify the poikilothermic vertebrates which are characterized by the presence of dry and cornified skin.
Which of the following represents the correct combination of a group with its character, without any exception?
Which among these is the correct combination of poikilotherms?
Which of the following are correctly matched with respect to their taxonomic classification?
Identify the vertebrate group of animals characterised by the presence of an air bladder.
Which one of these animals is not a homeotherm?
Which one of the following is a character of all the members of Platyhelminthes, without any exception?
Which group of animals belong to the same phylum?
Identify the vertebrate group of animals characterized by the presence of 4 pairs of gills.
Which one of these animals is not viviparous?
Which of the following represents the correct combination of a group with its character, without any exception?
Identify the vertebrate group of animals characterized by the presence of persistent notochord.
Which one of the following is a character of all Annelids, without any exception?
Which one of these animals is not a homeotherm?
Only cutaneous gland present in birds is the
Which of the following animals contain notochord only in larval tail?
Which of the following animals are metamerically segmented schizocoelomates?
Which of the following animals contain pneumatic bones?
Which of the following animals exhibit metagenesis?
What is common between Psittacula, Ornithorhynchus and Macropus ?
Which of the following character is not related to phylum Mollusca?
Which of the following animals have a persistent notochord?
Choose the incorrect match from the following.
Identify the correct match from the following.
Which of the following is incorrect regarding Chondrichthyes?
Which of the following is a feathered bipedal vertebrate?
Which of the following are characterised by the presence of epidermal scales or scutes?
Which one of the following is a correct matching set of a phylum and its three examples?
Which of the following phylum is diploblastic?
Sponges are characterised by the presence of
Which of the following animals sheds its scales as skin cast?
Which of the following is a living fossil?
Which of the following characteristic features holds true for all the animals of the corresponding group?
Cartilaginous endoskeleton, ventral mouth, gill-slits without operculum and skin with placoid scales are the characteristics of the class
Reptiles exhibit
Identify the fish that has four pairs of gills which are covered by an operculum on each side.
Which of the following is a poikilotherm with four-chambered heart?
Which of the following animal groups is correctly paired with its characteristic?
Select the option which shows the correct combination of an organism and its feature.
Which of the following represents the correct combination of a taxonomic group with its characteristics, without any exception?
Identify the vertebrate group of animals characterized by the presence of feathers.
Which among these is the correct set of coelomate animals?
Which one of the following is not a viviparous animal?
Which among these is the correct combination of amniotes?
Which of the following are correctly matched with respect to their taxonomic classification?
Which among the following is the correct combination of poikilotherms?
Which one of the following is a character of all the Reptiles, without any exception?
Which of the following represents the correct combination of a taxonomic group with its characteristics, without any exception?
Which group of animals belong to the same phylum?
Which of the following is not a character of sponges?
Diploblastic organisms lack
Acoelomate animals are included under the phylum.
During the course of evolution, metamerism is first observed in the phylum
Notochord is derived from
Which of the following is incorrect about Porifera?
The primitive multicellular animals having cellular level of organisation are
Mark the correct statement.
In sponges, water enters the body through
Presence of cnidoblasts is a unique feature of phylum
Polymorphism is a common phenomenon observed in the phylum
Metagenesis is observed in the life history of
Neurons form a diffuse nerve net in the animals included under the phylum
Ctenophores are commonly known as
Radially symmetrical animals are included under
Match the following and choose the correct option. Column I Column II (a) Physalia (i) Sea anemone (b) Adamsia (ii) Sea-fan (c) Pennatula (iii) Sea-pen (d) Gorgonia (iv) Portuguese man-of-war a b c d 1. iv i ii iii 2. iv ii i iii 3. iv i iii ii 4. i iv iii ii
Select the features that from the basis of classification of animals. (a) Notochord (b) Metamerism (c) Coelom (d) Symmetry
Sponges are characterised by the presence of
In case of sponges, water enters the spongocoel through
A skeleton made up of spicules or spongin fibres is the characteristic feature of the phylum
Canal system of sponges helps in all of the following, except
All of the following are the features of sponges, except
Which of the following reproduces asexually by fragmentation and sexually by syngamy?
Which group of animals belong to the same phylum?
All cnidarians are
Cnidarians are advanced over sponges by the presence of
Which of the following features is not found in phylum Cnidaria?
Phylum cnidaria is named so based on the presence of
Which of the following are radially symmetrical?
Cnidocytes do not help in
Gastrovascular cavity is present in
Which one of the following is a matching pair of an animal and its feature?
A skeleton composed of calcium carbonate is found in
Both extracellular and intracellular digestion occur in
Which of the following secretes a calcareous exoskeleton?
Cnidarians exhibit two basic body forms called polyp and medusa. Of these two, polyp is
Alternation of polyp and medusa generations is termed
Select the option which shows correct difference between polyp and medusa forms of cnidarians. Polyp Medusa 1. Umbrella-shaped Cylindrical 2. Free-swimming Sessile 3. Haploid Diploid 4. Reproduces asexually Reproduces sexually
Select the correct statement about Obelia .
In which of the following options, all belong to the same phylum?
Metagenesis is exhibited by
Select the option which shows the correct combination of a phylum and its characteristic feature.
Cnidarians and ctenophores share which of the following characteristics?
Select the correct match.
Animals of which of the following phyla reproduce only by sexual means?
In which one of the following, the genus name and its two characters are correctly matched?
Planarians possess
Which of the following is not a similarity between Obelia and Pleurobrachia ?
Study the following statements. a. The body is dorsoventrally flattened. b. Hooks and suckers are present in parasitic forms. c. Flame cells help in excretion and osmoregulation. d. Fertilisation is internal. The above are the general characters of the phylum
Which of the following animal groups is correctly paired with its characteristic?
Which of the following has several larval stages in its life history?
Which of the following are the general characters of Aschelminthes? a. A body cavity is absent b. Complete alimentary canal c. Metameric segmentation d. Internal fertilisation
Select the incorrect match.
Which of the following statements is incorrect with regard to Ascaris?
Which of the following statements is correct with regard to Ascaris ?
A closed circulatory system first appeared in the phylum
Which of the following represents the correct match of a feature with the given set of animals?
Lateral appendages called parapodia occur in
Select the incorrect statement.
A student observed a laboratory specimen with the following features. a. The body is elongated and worm-like. b. The body can be divided into identical left and right halves in only one plane. c. The body surface is distinctly marked out into segments. d. Each segment has a pair of lateral appendages. The specimen should be identified as
Which of the following is true regarding Nereis, Pheretima and Hirudinaria ?
Chitinous exoskeleton is one of the keys to the success of arthropods on land because
Which of the following is not an arthropod character?
Which of the following is a unique character of arthropods?
Which of the following is a living fossil?
Second largest animal phylum is
Haemocyanin is found in the blood of
Which of the following characters is shared by arthropods and molluscs?
Haemocyanin is found in the blood of
Which of the following characteristic features holds true for all the animals of the corresponding group?
Which of the following characters is not shared by arthropods and molluscs?
Which of the following animal groups is correctly paired with its characteristic?
Select the option that correctly matches a characteristic feature with the group of three animals.
Which of the following animal groups is not correctly paired with its characteristic?
In which one of the following options, a category of animals is correctly described with no single exception in it?
Presence of water vascular system is the most distinctive feature of
Water vascular system of starfish does not help in
Which of the following lacks an excretory system?
Alimentary canal of starfish is
Which of the following are radially symmetrical?
Select the option which shows the correct combination of a phylum and its characteristic feature.
Formerly, hemichordates were inappropriately included in Chordata based on the presence of
Which of the following animals is bilaterally symmetrical in the larval stage but radially symmetrical in the adult stage?
Select the option which shows the correct combination of an organism and its feature.
Select the option which shows the correct combination of an organism and its feature.
Excretory organ of Balanoglossus is
In which one of the following, the phylum name and its two characters are correctly matched? Phylum Character 1 Character 2 1 Hemichordata Indirect development Open circulatory system 2 Echinodermata Internal fertilisation Water vascular system 3 Mollusca Metamerism Calcareous shell 4 Arthropoda Enterocoelom Chitinous Exoskeleton
Which of the following is not a fundamental chordate character?
Which of the following is not a correct difference between chordates and non-chordates? Character Chordates Non-chordates 1 Post-anal tail Present Absent 2 Nerve cord Dorsal and hollow Ventral and solid 3 Notochord Present Absent 4 Heart Dorsal Ventral
Notochord is
Sea hare differs from sea horse by the presence of
Which of the following is considered a typical chordate as it exhibits all the fundamental chordate characters throughout its life?
Which of the following options correctly matches a genus with its two characters and its phylum? 1. Obelia (i) Alternation of polyp and medusa Cnidaria (ii) Comb plates help in locomotion 2. Nereis (i) Metameric segmentation Annelida (ii) Jointed legs 3. Sepia (i) Gills have respiratory and excretory functions Arthropoda (ii) File-like radula for rasping 4. Ascidia (i) Ventral heart Chordata (ii) Notochord in larval tail
Notochord is present only in larval tail in
In which one of the following options, a category of animals is correctly described with no single exception in it?
Notochord persists throughout the life in
Which of the following is absent in Branchiostoma ?
Choose the correct statement.
All vertebrates possess
Choose the incorrect statement regarding Petromyzon .
Which of the following is an ectoparasite on fishes and migrates to freshwater for spawning?
Choose the correct statement regarding Petromyzon .
Which of the following undergoes metamorphosis?
Which of the following has a sucking circular mouth without jaws?
Cartilaginous endoskeleton, ventral mouth, gill-slits without operculum and skin with placoid scales are the characteristics of the class
Select the correct statement about sexual dimorphism.
Select the incorrect match.
Select the correct match.
Number of gill-slits in cyclostomes is
In which one of the following, the genus name and its two characters are not correctly matched?
In which one of the following, the genus name and its two characters are correctly matched? Organism Character 1 Character 2 1 Ascidia Vertebral column Pharyngeal gill slits 2 Torpedo Electric organs Placoid scales 3 Catla Air bladder Tympanum 4 Crocodylus Scutes over body Three-chambered heart
A marine cartilaginous fish with poisonous sting is
Which of the following statement about notochord is wrong ?
Select the features of Scoliodon from the following. a. The mouth is located ventrally. b. The gill-slits are covered by operculum c. An air bladder regulates buoyancy d. Possesses a poison sting e. Teeth are modified placoid scales f. The heart is two-chambered
Which of the following is the correct categorization of some bony fishes? Freshwater Marine Aquarium 1 Labeo , Exocoetus Hippocampus, Clarias Pterophyllum, Betta 2 Labeo, Catla Exocoetus, Betta Clarias, Pterophyllum 3 Exocoetus, Hippocampus Betta, Pterophyllum Labeo, Catla 4 Clarias, Labeo Exocoetus, Hippocampus Betta, Pterophyllum
Identify the vertebrate group of animals characterised by the presence of operculum and air bladder.
Which among these is the correct combination of freshwater bony fishes?
Select the taxon that represents both marine and freshwater species but not terrestrial species.
During the course of evolution, tympanum first appeared in
Identify the fish that has four pairs of gills which are covered by an operculum on each side.
Which one of the following is a character of all amphibians, without any exception?
Exchange of respiratory gases takes place through gills, lungs or skin in
Which of the following animal groups is correctly paired with its characteristic?
Which of the following animals sheds its scales as skin cast?
Which of the following animals does not undergo metamorphosis?
Reptiles exhibit
Which of the following is a poikilotherm with four-chambered heart?
Match the following genera with their respective common names. Column I Column II (a) Chameleon (i) Turtle (b) Chelone (ii) Tortoise (c) Testudo (iii) Tree lizard (d) Calotes (iv) Garden lizard Select the correct option. (a) (b) (c) (d) 1. iii i iv ii 2. iii i ii iv 3. i iii ii iv 4. iii ii i iv
Air sacs supplement ventilation in
Which of the following characteristic features holds true for all the animals of the corresponding group?
Aves originated from reptiles. Which of the following is not an advancement of birds over reptiles?
Consider the following four statements (A–D) about Aves (birds) and select the correct option stating which ones are true (T) and which ones are false (F). A. Hindlimbs are without scales. B. Oil gland is present at the base of the tail C. Endoskeleton is fully ossified. D. An air bladder is connected to the lungs. A B C D 1 F T T T 2 T F T F 3 F T T F 4 F T F T
Identify the vertebrate group of animals characterised by the presence of pneumatic bones.
The digestive tract is characterized by the presence of two additional chambers, the crop and gizzard, in
Which of the following represents the correct combination of a group with its character, without any exception?
Which of the following represents the correct combination of a taxonomic group with its characteristics? Group Characteristics 1 Osteicthyes They have to swim constantly to avoid sinking 2 Amphibia Skin is dry without glands except oil gland 3 Aves Air sacs connected to lungs supplement respiration 4 Reptilia Body is covered by dry and cornified skin with dermal scales
Which one of the following is not a general character of birds?
Which of the following characters is unique to mammals?
Which of the following is an oviparous mammal?
Pteropus is included under the order
Ornithorhynchus differs from Macropus and Pteropus by the
Which of the following represents the correct combination of a taxonomic group with its characteristics, without any exception? Group Character 1 Character 2 1 Reptilia All are terrestrial Crawling mode of locomotion 2 Chondricthyes Placoid scales Electric organs 3 Amphibia Tympanum Two pairs of limbs 4 Mammalia Mammary glands Direct development
Which of the following is not a character of Pleurobrachia ?
Which of the following is a characteristic larval form of Ctenophores?
Which of the following are the characters of Ctenophores?
Select the wrong match.
Select the correct one about the comb plates?
Triploblastic, bilaterally symmetrical acoelomates among the following are
Which of the following is wrong with reference to flatworms?
Which of the following belongs to phylum Platyhelminthes?
Which of the following absorb nutrients from the host directly through their body surface?
In flatworms, flame cells help in
Which of the following does not belong to Aschelminthes?
Which of the following is not a character of phylum Aschelminthes?
Triploblastic, bilaterally symmetrical psuedocoelomate among the following is
Aschelminthes differ from Annelida by the absence of
Wuchereria is characterised by presence of
In Aschelminthes type of fertilisation and type of development are
Select the incorrect match.
Triploblastic, bilaterally symmetrical, metamerically segmented schizocoelomate with monoecious condition and direct development among the following is
Which of the following appeared first in phylum Annelida?
Which of the following is not the character of Hirudinaria
Which of the following is a character of Nereis ?
Which of the following is a feature of Anopheles ?
Select the odd one out from the following.
Which of the following is not the respiratory organ in any Arthropod?
Which of the following animals belong to phylum Mollusca?
Which of the following is commonly called sea hare?
Type of fertilisation and type of development in Hemichordata are
In Hemichordata the organs useful for respiration are
Which of the following is a character of chordates?
In which of the following phyla, pharynx is perforated by gill slits?
Read the following characters and choose the general characters of phylum Chordata.
Which of the following is not an Urochordate?
Read the following and identify the correct one.
Read the following statements and choose the correct one for the members of subphylum Vertebrata.
Select the correct statement from the following.
Read the following characters and identify the character sub-phylum vertebrata.
The notochord is persistent throughout life in which of the following?
Teeth are modified scales in Chondrichthyes.
Which of the following structures open into cloaca in class Amphibia?
Which of the following animal is commonly called Tree frog?
What is the scientific name of Ostrich?
What is the scientific name of kangaroo?
A fisherman caught an organism in the sea. It looked strange to him because it was without scales. The organism might be
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Myxine (i) Lancelet (b) Ascidia (ii) Hagfish (c) Branchiostoma (iii) Tunicate (d) Petromyzon (iv) Lamprey
The head bears sensory tentacles in
Body is covered by a test or tunic in
Match the following and choose the correct option. Column I Column II (a) Radula (i) Balanoglossus (b) Parapodia (ii) Pila (c) Comb plates (iii) Nereis (d) Proboscis gland (iv) Pleurobrachia
All vertebrates are chordates but not all chordates are vertebrates. Why?
Notochord is present only in larval tail in
Study the following features. A. Operculum B. Claspers C. Placoid scales D. Poison sting Which of the above features are present in Torpedo ?
Match the following genera with their respective common names. Column I Column II (a) Rana (i) Toad (b) Bufo (ii) Salamander (c) Hyla (iii) Tree frog (d) Salamandra (iv) Common frog Select the correct option.
Which of the following migrates from the sea to freshwater, where it spawns and dies within a few days?
Which one of the following is not a general character of birds?
Which one of these animals is not a poikilotherm?
Which one of the following statements about crocodile, crow and camel is correct?
All mammals, without any exception, are characterised by
Pneumatic bones are present in
Which among these is the correct combination of marine animals?
Select the correct combination.
Notochord extends from head to tail region and is persistent throughout life in
Evolutionarily, sexual dimorphism is first exhibited by
Adamsia has
Mark the incorrect statement with regard to symmetry.
Which of the following has open circulatory system?
Match the following and choose the correct option. Organism Locomotory structure (a) Nereis (i) Walking legs (b) Asterias (ii) Parapodia (c) Pleurobrachia (iii) Tube feet (d) Periplaneta (iv) Comb plates a b c d 1 ii iii iv i 2 iii ii iv i 3 ii iii i iv 4 ii iv iii i
Mark the wrong statement from the following statements
Mismatch is
Which one of the following is not a characteristic feature of sponges?
Bioluminescence is well-marked in
An undifferentiated layer called mesoglea is present in between the ectoderm and the endoderm in the body wall of
A closed circulatory system first appeared in the phylum
Bilaterally symmetrical, metamerically segmented animals with a closed circulatory system are included under the phylum
Which of the following has a dorsoventrally flattened body?
Lateral appendages of aquatic annelids are analogous to
Notochord is persistent throughout life in
Mark the wrong combination.
Flame cells help for excretion and osmoregulation in
An excretory system is absent in
Petromyzon is classified under
Sharks are classified as gnathostomes because of the presence of
Fasciola is a/an
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Exocoetus (i) Placoid scales (b) Ichthyophis (ii) Anadromous migration (c) Carcharodon (iii) Three-chambered heart (d) Petromyzon (iv) Operculum
Which of the following organisms swim constantly to avoid sinking?
Mark the correct combination.
Planaria is characterised by
Which of the following characters is not shared by reptiles and birds?
Which of the following combinations are correct? Organism Features (a) Loligo Unsegmented body; radula. (b) Wuchereria Sexual dimorphism; pseudocoelom (c) Asterias Spiny body; metanephridia (d) Pleurobrachia Bioluminescence; metagenesis
Which of the following is not oviparous?
Sponges are characterised by the presence of
Characters that are shared by members of both Cnidaria and Ctenophora are a. They are sessile b. Alternation of generations c. Digestion is both extracellular and intracellular d. Exhibit radial symmetry e. Reproduction takes place only by sexual means
Which one of the following statements about certain given animals is correct?
Metameric segmentation is a characteristic of
Which of the following exhibits metagenesis?
Mark the correct combination of organisms which exhibit segmentation.
Which of the following is not viviparous?
Select the correct description of ctenophores.
Match the following and choose the correct option. Column I Column II (a) Anopheles (i) Flame cells (b) Fasciola (ii) Feather-like gills (c) Asterias (iii) Malpighian tubules (d) Dentalium (iv) Calcareous ossicles
The members of which of the following phyla exhibit only intracellular digestion?
An undivided atrium in the heart is a character of the class
Cyclostomes are devoid of all the following, except
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Pristis (i) Cuttlefish (b) Betta (ii) Sawfish (c) Myxine (iii) Fighting fish (d) Sepia (iv) Hagfish
The largest organisms that swim with the help of cilia are
Which one of the following is a matching pair of the body feature and the animal possessing it?
Which of the following mammals carries the young one in its pouch?
Mark the correct combination.
How many of the following are correct about Obelia ? (i) Radial symmetry (ii) Diploblastic (iii) Cellular level of organisation (iv) Digestion is intracellular only (v) Exhibit two basic body forms called poly and medusa
Match the following and choose the correct option. Column I Column II (a) Placoid scales (i) Bufo (b) Operculum (ii) Scoliodon (c) Jawless mouth (iii) Pterophyllum (d) Tympanum (iv) Petromyzon (a) (b) (c) (d) 1 iii ii iv i 2 ii iv iii i 3 ii iii iv i 4 i iii iv ii
Match the following and choose the correct option. Column I Column II (a) Poisonous sting (i) Bufo (b) Electric organ (ii) Pterophyllum (c) Air bladder (iii) Trygon (d) Tympanum (iv) Torpedo
Mark the incorrect feature of birds.
Mark the correct set of dioecious organisms from the following.
Which of the following is a bilaterally symmetrical, triploblastic coelomate?
Which of the following has to swim lifetime, to avoid sinking?
Which of the following is not a common feature between reptiles and birds?
Which one of the following statement is incorrect ?
Match the following and choose the correct option. Column I Column II (a) Acoelomate with incomplete gut (i) Pheretima (b) Pseudocoelomate with complete gut (ii) Fasciola (c) Open circulatory system and complete gut (iii) Periplaneta (d) Closed circulatory system and complete gut (iv) Ascaris (a) (b) (c) (d) 1 i iv ii iii 2 ii i iv iii 3 iv ii i iii 4 ii iv iii i
Which of the following is not a feature of cyclostomes?
Match column I with column II. Column I Column II (a) Gregarious pest (i) Physalia (b) Portuguese man-of-war (ii) Locusta (c) Blood-sucking leech (iii) Betta (d) Fighting fish (iv) Hirudinaria (a) (b) (c) (d) (1) (i) (ii) (iii) (iv) (2) (ii) (i) (iv) (iii) (3) (ii) (i) (iii) (iv) (4) (iii) (iv) (i) (ii)
Similarity between Nereis and Locusta is
Which of the following set of animals belong to a single phylum?
Which of the following aids in locomotion, capture and transport of food and respiration in Asterias ?
Match the following and choose the correct option. Column I Column II (a) Placoid scales (i) Bufo (b) Operculum (ii) Scoliodon (c) Jawless mouth (iii) Pterophyllum (d) Tympanum (iv) Petromyzon (a) (b) (c) (d) 1 iii ii iv i 2 ii iv iii i 3 ii iii iv i 4 i iii iv ii
Which of the following characters is exhibited by all members of kingdom Animalia?
Choose the correct combination from the following with regard to the given diagram. A B 1. X – Pseudocoelom Y – Enterocoelom Ascaris, Ancylostoma Nereis, Fasciola 2. X – Enterocoelom Y – Pseudocoelom Asterias, Balanoglossus Ascaris, Ancylostoma 3. X – Acoelomate Y – Pseudocoelom Fasciola, Taenia Nereis, Ascaris 4. X –Schizocoelom Y – Pseudocoelom Nereis, Taenia Ascaris, Fasciola
Which of the following is not a correct comparison between phylum Porifera and Cnidaria? Characters Porifera Cnidaria 1. Digestion Intracellular Both intracellular and extracellular 2. Level of organisation Cellular Tissue 3. Body plan Cell aggregate Blind sac, with gastrovascular cavity 4. Habitat Exclusively in marine water Both in marine and fresh water
Which of the following is incorrect matching of animal group / life style / structure / function? Animal group Life style Structure/function 1. Sponges Sessile filter feeders (i) Choanocytes / circulating water (ii) Spicules and spongin fibres / skeleton 2. Cnidarian Free-floating or attached (i) Gastrovascular cavity / digestion (ii) Cnidocytes / protection and food gathering 3. Flatworms Free living or parasitic (i) Flame cells / excretion (ii) Tegument / protection 4. Roundworms Free living or parasites only in animals (i) Pseudocoelom (ii) One way gut / digestion with muscular pharynx
The figure shows three animals A, B and C. Select the option which gives correct identification of animals with body symmetry/description.
The diagram below illustrates a medusa. Study the diagram to answer the question that follows: In which group and its examples this body form is dominant?
Which of the following statement/s is/are not correct about the organism depicted in the diagram below? A. It is an example of Ctenophora. B. Colloblasts help in feeding. C. It has eight ciliated comb plates which help in locomotion. D. Sexes are separate. E. Reproduction takes place only by sexual means. Fertilization is external with indirect development. F. Exist both in polyp and medusa stage. Choose the option in which both the statements are incorrect .
For sessile/sedentary and mobile animals, the most suitable type of symmetry has been
Which of the following is the correct reason for the identification of sex of the animals A and B given in the picture?
Which of the following set of animals belong to a single taxonomic group?
Which of the following is not the correct description of cell depicted in the diagram?
Diagrams below are indicating the outline of medusa and polyp forms. Which of the following set of cnidarians exist in both forms and exhibit metagenesis?
All the following are found in sponges, except
In which one of the phylum, there is solid body plan?
Following sequence of events occur in the life cycle of which of the following organisms? Polyp Medusa Planula A. Obelia B. Physalia C. Sea anemone
Which of the following respires by book gills and is a living fossil?
Which of the following is not the correct identification/characteristic of the organism?
Mark incorrect statement w.r.t. phylum Porifera.
Which one of the following is incorrect about sponges?
Which one of the following is fresh water sponge?
Identify A, B, C and D marked in the following chart. 1. A Teredo bores in the wooden ships 2. Cnidarian B Alternation of generation, polyp and medusa phase 3. Ctenophoran Cestum C 4. D Lepisma Silverfish present in old books, cardboards Choose the correct option. A B C D 1. Porifera Obelia Bioluminescence Crustacean 2. Aschelminthes Obelia Emit light Mollusca 3. Mollusca Aurelia Emit light Insecta 4. Mollusca Obelia Emit light Insecta
Which one of the following is simplest type of canal system in sponges?
Sponges are similar in some characters to platyhelminthes. Choose the character that is shown by sponges but not by the platyhelminthes.
Which one of the following is not the characteristic of the phylum to which Pleurobrachia belongs?
Organism that shows bilateral symmetry, has pseudocoelom and muscular pharynx is
Which of the following option includes correct examples each for animals with chitinous exoskeleton and those covered by a calcareous shell respectively?
Choose the option that correctly matches the organism with its characteristics.
Which of the following is not an appropriate technical term for the statements given and its one example? 1. Blood conveyed to the organs through capillaries closed circulatory system Pheretima 2. Balancing organs statocysts Prawn 3. Brings forth the young ones alive viviparous Scorpion 4. Sexes are not separate unisexual Hirudinaria
Which one of the following option does not describe the characteristic of platyhelminthes?
Match the column I and column II. Column I Column II a. Archaeocytes (i) Obelia b. Collar cells (ii) Totipotent c. Sea fur (iii) Sycon d. Portuguese man of war (iv) Gastrovasular cavity a b c d 1. (iv) (i) (iii) (ii) 2. (i) (ii) (iii) (iv) 3. (ii) (iii) (i) (iv) 4. (iv) (ii) (iii) (i)
Following is a diagrammatic sectional view of body cavity. identify the type of body cavity along with its correct example.
Closed circulatory system is character of
Which one of the following is called tusk shell?
Which of the following pairs of animals are similar to each other pertaining to the feature stated against them?
In molluscs, the gills have respiratory and excretory functions. They are present
Complete the following analogy Nephridium :: Excretion :: Statocysts
Which of the following is not a feature of echinoderms?
The adults are marine but the larva undergoes metamorphosis in freshwater in case of
Hydra is a
How many of the following are the characters of Obelia ? (i) Radial symmetrical (ii) Diploblastic (iii) The cellular level of organisation (iv) Digestion is intracellular only (v) Exhibit two basic body forms called polyp and medusa.
The vertebral column developes from which of the following structures?
In contrast to Annelids, the flatworms exhibit
Ophiura is different from Balanoglossus in having
Which of the following phylum have organisms that are exclusively marine?
Phyla and related characteristics are given below. Choose an appropriate option which fills the blank spaces. Phylum/Class Excretory Organs Circulation Respiratory Organs Arthropoda A Open Tracheae B Metanephridia Open Gills Amphibia C Closed D A B C D 1 Nephridia Echinodermata Metanephridia Lungs 2 Malpighian tubules Mollusca Metanephridia Book gills 3 Mollusca Malpighian tubules Metanephridia Book gills 4 Malpighian tubules Mollusca Kidneys Lungs
Which of the following statements is incorrect ?
From the following statements, select the wrong one.
Which of the following set consists of pseudocoelomate organisms?
Which of these pairs of organisms are bilaterally symmetrical and triplobastic?
The animal group, where the adults are degenerated but larvae are well developed, is
The adult are radially symmetrical but larvae are bilaterally symmetrical.
Aplysia shows all of these properties, except
The sense organs like eyes, statocysts, and osphradia are present in
In which of the following pairs, is the ear represented by the tympanum?
The type of circulation in which the cells and tissues are directly bathed in blood is found in
Which of the following character is unique to Tusk-shell?
Which one of the following is not characteristic of phylum Annelida?
Which of the following statement/s regarding coelenterates is /are incorrect ? (i) Cnidocytes are present on the tentacles and on the body. (ii) Diploblastic with the cellular level of organization. (iii) Polyp forms are free-swimming. (iv) Many exhibits metagenesis. (v) Polyps produce medusa sexually and medusa produce polyps asexually.
Find out the correct match from the following. Structure Phylum Function 1 Comb plates Cnidaria Locomotion 2 Cnidocytes Ctenophora Defense 3 Setae Annelida Locomotion 4 Proboscis gland Hemichordata Defense
Which of the following is common feature of Ascidia , Pristis , Hyla and Calotes ?
Which of the sponge is given as a gift in Japan?
The spongocoel of Leucosolenia is lined with
Match the following and choose the correct option. Column I Column II (a) Water vascular system (i) Fasciola (b) Canal system (ii) Spongilla (c) Closed blood vascular system (iii) Ophiura (d) Incomplete digestive system (iv) Nereis a b c d 1. ii iii iv i 2. iii ii i iv 3. iii ii iv i 4. iii iv ii i
Which of the following are absent in cyclostomes? (a) Scales (b) Fins (c) Jaws (d) Gills
Match the following and choose the correct option. Column I Column II (a) Cuttlefish (i) Myxine (b) Starfish (ii) Sepia (c) Fighting fish (iii) Asterias (d) Hagfish (iv) Betta a b c d 1. i ii iii iv 2. iii ii iv i 3. ii iii iv i 4. ii iii i iv
Mark the incorrect combination. 1. Tympanum Amphibians and Reptiles 2. Homeothermy Aves and Mammals 3. Oviparity Reptiles and Aves 4. External fertilisation Amphibians and Reptiles
Mark the correct statement about the given organism.
Which of the following exhibits the highest level of organisation?
The animals that exhibit radial symmetry are
Radially symmetrical coelomate animals are exemplified by
Select the incorrect combination.
Select the correct combination with reference to sponges.
The canal system of sponges serves for all the following, except
The skeleton of sponges is not composed of
Which of the following is not true about sponges?
Radially symmetrical diploblastic animals that exist in polyp and medusa forms are included under
Which of the following statements wrongly represents cnidocytes?
Obelia does not exhibit
Adamsia is
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Meandrina (i) Portuguese man-of-war (b) Physalia (ii) Sea anemone (c) Aurelia (iii) Brain coral (d) Adamsia (iv) Jellyfish a b c d 1. ii i iv iii 2. iii iv i ii 3. iv iii ii i 4. iii i iv ii
Exclusively marine, radially symmetrical, diploblastic organisms with tissue level of organisation are included under
Digestion is both intracellular and extracellular in
Reproduction takes place only by sexual means in
Which of the following possesses high regeneration capacity?
Many larval stages occur in the life history of
Which of the following are bilaterally symmetrical, triploblastic and acoelomate animals with organ level of organisation?
Identify the structures that help in swimming.
Which of the following features are common for Nereis and Hirudinaria ?
During the course of evolution, which of the following appeared first in Annelida?
The central nervous system consists of a double ventral nerve cord in
Match the items given in column I with those in column II and select the correct option. Column I Column I (a) Euspongia (i) Sea pen (b) Pennatula (ii) Freshwater sponge (c) Spongilla (iii) Sea fan (d) Gorgonia (iv) Bath sponge a b c d 1. iv i ii iii 2. ii i iv iii 3. iv iii ii i 4. i iv iii ii
Match the following genera with their respective phyla. Column I Column II (a) Wuchereria (i) Cnidaria (b) Pheretima (ii) Aschelminthes (c) Scypha (iii) Annelida (d) Obelia (iv) Porifera a b c d 1. ii iii i iv 2. iii ii iv i 3. iv i ii iii 4. ii iii iv i
Match the following genera with their respective phyla. Column I Column II (a) Wuchereria (i) Cnidaria (b) Pheretima (ii) Aschelminthes (c) Scypha (iii) Annelida (d) Obelia (iv) Porifera a b c d 1. ii iii i iv 2. iii ii iv i 3. iv i ii iii 4. ii iii iv i
Read the following statements. (a) Mesoglea is present in the body wall of Hydra. (b) Notochord is an ectodermal rod-like structure. (c) Sponges reproduce asexually by fragmentation. (d) Annelids exhibit organ-system level of body organisation. (e) Roundworms absorb nutrients from the host directly through their body surface. Choose the correct answer from the options given below.
Read the following statements. (a) Organ systems in different groups of animals exhibit various patterns of complexities. (b) Any plane passing through the central axis of the body divides a radially symmetrical organism into two identical halves. (c) An undifferentiated layer called mesoglea is present in between the ectoderm and the endoderm in coelenterates. (d) Notochord is formed on the ventral side during embryonic development in chordates. Choose the correct answer from the options given below.
The cells are arranged as loose cell aggregates and tissues are absent in
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Flatworms (i) Pseudocoelomates (b) Roundworms (ii) Diploblastic (c) Earthworms (iii) Coelomates (d) Coelenterates (iv) Acoelomates a b c d 1. iv i iii ii 2. i iv iii ii 3. iv iii i ii 4. iii ii i iv
The animals that exhibit radial symmetry are
A single opening to the outside of the body serves as both mouth and anus in
Which of the following exhibits the highest level of organisation?
Select the group of animals which exhibit two different types of symmetry at different stages of life.
Identify the animals without a body cavity and with a body cavity not lined by peritoneum.
Select the option including all triploblastic animals.
Statement I : Annelids and arthropods are bilaterally symmetrical. Statement II : Their body can be divided into identical left and right halves in two planes.
Select the incorrect combination.
Select the correct combination with reference to sponges.
Radially symmetrical coelomate animals are exemplified by
Structures helpful for excretion and osmoregulation are (a) nematocysts (b) nephridia (c) comb plates (d) flame cells (e) spicules Choose the correct answer from the options given below.
The body is supported by a skeleton made up of spicules or fibres in all the following animals, except
The canal system of sponges serves for all the following, except
Which of the following options correctly describes sponges?
The skeleton of sponges is not composed of
Which of the following is not true about sponges?
Which one of the following organisms bears cnidocytes?
Radially symmetrical diploblastic animals that exist in polyp and medusa forms are included under
Which of the following has a central gastro-vascular cavity with a single opening, mouth on hypostome?
Obelia does not exhibit
Which of the following statements wrongly represents cnidocytes?
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Meandrina (i) Portuguese man-of-war (b) Physalia (ii) Sea anemone (c) Aurelia (iii) Brain coral (d) Adamsia (iv) Jellyfish a b c d 1. ii i iv iii 2. iii iv i ii 3. iv iii ii i 4. iii i iv ii
Adamsia is
Cilia help for locomotion in
Exclusively marine, radially symmetrical, diploblastic organisms with tissue level of organisation are included under
Which of the following features are common for Cnidaria and Ctenophora? (a) Exclusively marine (b) Metagenesis (c) Tissue level of organisation (d) Radial symmetry (e) Diploblastic nature
Digestion is both intracellular and extracellular in
Bioluminescence is well-marked in
Which of the following has a dorso-ventrally flattened body?
Reproduction takes place only by sexual means in
Which of the following are bilaterally symmetrical, triploblastic and acoelomate animals with organ level of organisation?
Which of the following is triploblastic and monoecious?
Which of the following possesses high regeneration capacity?
Many larval stages occur in the life history of
Which of the following is a dioecious animal with sexual dimorphism?
Which of the following statements are true for the phylum Aschelminthes? (a) Their body surface is distinctly marked out into segments. (b) Alimentary canal is complete with a muscular pharynx. (c) Sexes are not separate. (d) Development may be direct or indirect.
Select the incorrect match.
Identify the structures that help in swimming.
During the course of evolution, which of the following appeared first in Annelida?
Which of the following features are common for Nereis and Hirudinaria ?
Longitudinal and circular muscles in the body wall help for locomotion in
The central nervous system consists of a double ventral nerve cord in
Match the items given in column I with those in column II and select the correct option. Column I Column I (a) Euspongia (i) Sea pen (b) Pennatula (ii) Freshwater sponge (c) Spongilla (iii) Sea fan (d) Gorgonia (iv) Bath sponge a b c d 1. iv i ii iii 2. ii i iv iii 3. iv iii ii i 4. i iv iii ii
Match the items given in column I with those in column II and select the correct option. Column I Column I (a) Euspongia (i) Sea pen (b) Pennatula (ii) Freshwater sponge (c) Spongilla (iii) Sea fan (d) Gorgonia (iv) Bath sponge a b c d 1. iv i ii iii 2. ii i iv iii 3. iv iii ii i 4. i iv iii ii
Match the following genera with their respective phyla. Column I Column II (a) Wuchereria (i) Cnidaria (b) Pheretima (ii) Aschelminthes (c) Scypha (iii) Annelida (d) Obelia (iv) Porifera a b c d 1. ii iii i iv 2. iii ii iv i 3. iv i ii iii 4. ii iii iv i
Match the following genera with their respective phyla. Column I Column II (a) Wuchereria (i) Cnidaria (b) Pheretima (ii) Aschelminthes (c) Scypha (iii) Annelida (d) Obelia (iv) Porifera a b c d 1. ii iii i iv 2. iii ii iv i 3. iv i ii iii 4. ii iii iv i
Read the following statements. (a) Mesoglea is present in the body wall of Hydra. (b) Notochord is an ectodermal rod-like structure. (c) Sponges reproduce asexually by fragmentation. (d) Annelids exhibit organ-system level of body organisation. (e) Roundworms absorb nutrients from the host directly through their body surface. Choose the correct answer from the options given below.
Which of the following is not a function of canal system?
Cnidoblasts are used for all, except
Read the following a) Exclusive fresh water forms b) Well marked bioluminescence c) External rows of ciliated comb plates d) Asexual reproduction is by budding Choose the correct statements with regard to ctenophores.
Spongocoel and canals are lined by
Fertilisation is external in
Mark the correct statement about roundworms.
Which of the following statement is correct without exception?
Specialised cells called flame cells would be found in
Aquatic annelids like Nereis possess all of the following, except
The property of a living organism to emit light is well marked in the members of the phylum with
Which of the following is not a correct match regarding the phylum and its two examples?
Pseudocoelom would be present in the transverse section of all the following animals, except
On analysis of an unknown specimen, it was concluded that the organism belonged to phylum annelida. Presence of which of the following feature suggested so?
Which of the following character is not an advancement of annelids over round worms?
Triploblastic animals show mostly
Which of the following is a triploblastic acoelomate?
Which of the following phylum is neither diploblastic nor triploblastic?
The mesoderm is present as scattered pouches between ectoderm and endoderm in
An undifferentiated layer present between ectoderm and endoderm in diploblastic organisms is
Which of the following phylum has mesoderm and exhibits metamerism?
Mark the correct statement with regard to open circulation.
Which of the following organism can be cut into two equal halves in only one plane?
Each of these organisms have organ systems each of which is concerned with a specific physiological function, except
Open circulatory system is present in
Identify the correct option based on the given picture.
Bilateral symmetry is exhibited by
Tissues are grouped together to form organs in
Metamerism is shown by the animals included under
Arrange the levels of organisation in correct sequence with increasing complexity.
Which of the following feature is not observed in coelenterates?
Which of the following is not a feature of annelids?
Which of the following is not related to closed circulatory system?
Which of the following do not show radial symmetry?
In sponges, division of labour occurs among the
Which of the following set of animals are acoelomates without the development of mesoderm?
All the following are diploblastic, except
Identify the feature that is not applicable to sea walnut.
In which of the following members, the digestive system has only single opening to the outside of the body that serves as both mouth and anus?
Identify the groups with tissue grade of organisation.
Identify the mismatch.
Which of the following are polypoid forms?
Which of the following are mostly asymmetrical?
Bilaterally symmetrical and coelomate animals are exemplified by
All the following are flatworms, except
Identify the mismatch.
Digestion is strictly intracellular in
Select the correct statement about flatworms.
Common character in tapeworm and earthworm is
Match the correct combination. Level Example 1. Cellular level Hydra 2. Organ level Flatworm 3. Tissue level Sponge 4. Organ system level Jellyfish
Muscular part of alimentary canal in roundworms is
Spongocoel and canals are lined by
Aquatic annelids like Nereis possess all of the following, except
Mark the correct statement about roundworms.
Fertilisation is external in
Which of the following is not a correct match regarding the phylum and its two examples?
Specialised cells called flame cells would be found in
On analysis of an unknown specimen, it was concluded that the organism belonged to phylum annelida. Presence of which of the following feature suggested so?
Which of the following character is not an advancement of annelids over round worms?
Triploblastic animals show mostly
Which of the following phylum is neither diploblastic nor triploblastic?
Which of the following organism can be cut into two equal halves in only one plane?
Open circulatory system is present in
An undifferentiated layer present between ectoderm and endoderm in diploblastic organisms is
Which of the following set of animals are acoelomates without the development of mesoderm?
Which of the following are polypoid forms?
Which of the following are mostly asymmetrical?
Match the correct combination. Level Example 1. Cellular level Hydra 2. Organ level Flatworm 3. Tissue level Sponge 4. Organ system level Jellyfish
Muscular part of alimentary canal in roundworms is
Blood is carried through arteries, veins and capillaries in
Which of the following exhibits the lowest the level of organisation?
Mark the odd one with respect to circulatory system.
Radially symmetrical organisms
Identify the correct set of pseudocoelomates.
Metamerism is exhibited by which of the following phyla?
The phenomenon in which the body is divided externally and internally into segments with a serial repetition of at least some organs is called
Match the following and choose the correct option. Column I Column II (a) Sea fan (i) Comb plates (b) Sea walnut (ii) Water vascular system (c) Sea urchin (iii) Radula (d) Sea hare (iv) Polyp a b c d 1. iii ii i iv 2. i iv ii iii 3. iv i ii iii 4. iv i iii ii
Match the following and choose the correct option. Column I Column II (a) Calcareous spicules (i) Asterias (b) Calcareous ossicles (ii) Sycon (c) Chitinous exoskeleton (iii) Pinctada (d) Calcareous shell (iv) Aedes a b c d 1. i ii iv iii 2. ii i iv iii 3. ii i iii iv 4. ii iv i iii
In sponges,
In sponges, water enters the body through
Which of the following organisms lacks specific respiratory, excretory and digestive systems?
Sponges are classified under kingdom Animalia for which of the following reasons?
Cnidoblasts are used for all the following functions except for
Cells containing stinging capsules are
Mark the correct combination of features of Obelia from the following. (a) Metagenesis (b) Polymorphism (c) Diploblastic condition (d) Organ level of organisation (e) Closed circulatory system
Match the following and choose the correct option. Column I Column II (a) Hydra (i) Umbrella-shaped (b) Aurelia (ii) Flatworm (c) Fasciola (iii) Star-shaped (d) Asterias (iv) Cylindrical form a b c d 1. iv ii i iii 2. iv i iii ii 3. i iv ii iii 4. iv i ii iii
Mouth in Hydra is located
Statement I : Reproduction takes place only by sexual means in ctenophores. Statement II : Sexes are separate in ctenophores.
Mark the incorrect statement about ctenophores.
Which of the following pair of organisms lacks cnidoblasts?
Ctenophores differ from cnidarians in which of the following aspects?
Match the following and choose the correct option. Column I Column II (a) Snails (i) Cnidaria (b) Corals (ii) Annelida (c) Insects (iii) Mollusca (d) Leeches (iv) Arthropoda a b c d 1. iii i iv ii 2. i iii iv ii 3. iii i ii iv 4. iii iv i ii
Match the following and choose the correct option. Column I Column II (a) Earthworm (i) Taenia (b) Roundworm (ii) Pheretima (c) Tapeworm (iii) Trichophyton (d) Ringworm (iv) Ascaris a b c d 1. ii iv i iii 2. iv ii i iii 3. ii iv iii i 4. ii i iv iii
How many of the following are the general characters of Aschelminthes? (a) They exhibit sexual dimorphism. (b) They may be parasitic in plants and animals. (c) Flame cells help in osmoregulation and excretion. (d) Alimentary canal is incomplete with a muscular pharynx. (e) Often males are longer than females.
Which of the following features distinguishes a male Ascaris from a female?
Excretory structure is absent in
Gills have both excretory and respiratory function in
Key features of arthropods are
Mouth is on the ventral side and anus is on the dorsal side in
Select wrong statement.
Skeleton is made of calcium carbonate in all the following, except
Which one of the following statements is incorrect ?
Match the following and choose the correct option. Column I Column II a. Echinus (i) Brittle star b. Cucumaria (ii) Star fish c. Antedon (iii) Sea urchin d. Ophiura (iv) Sea cucumber e. Asterias (v) Sea lily a b c d e 1 iv iii v ii i 2 iii iv v i ii 3 iii iv v ii i 4 iii v iv i ii
Match the following and choose the correct option. Column I Column II a. Tusk shell i. Chaetopleura b. Squid ii. Dentalium c. Chiton iii. Aplysia d. Sea-hare iv. Loligo a b c d 1. iii iv ii i 2. ii iv i iii 3. iii ii iv i 4. ii iv iii i
Select wrong statement.
Parapodia in the Nereis are present
The balancing organ in arthropods is
The anterior head region of molluscs consists of
All of the following aspects differ between chordates and non-chordates, except
Read the following statements and find out the correct statement.
Which one of the following statements is incorrect about arthropods?
Match the following and choose the correct option. Column I Column II a. Tusk shell i. Chaetopleura b. Squid ii. Dentalium c. Chiton iii. Aplysia d. Sea hare iv. Loligo a b c d 1. iii iv ii i 2. ii iv i iii 3. iii ii iv i 4. ii iv iii i
Match the following and choose the correct option. Column I Column II a. Tusk shell i. Chaetopleura b. Squid ii. Dentalium c. Chiton iii. Aplysia d. Sea hare iv. Loligo a b c d 1. iii iv ii i 2. ii iv i iii 3. iii ii iv i 4. ii iv iii i
Lateral appendages in annelids are
Which of the following is not an endoparasite in humans?
Which one of the following incorrect matching? Genus name Two characters Phylum 1 Pila Body is segmented; mouth with radula Molluscs 2 Asterias Spiny skinned; water vascular system Echinodermata 3 Sycon Pores; canal system Porifera 4 Periplaneta Jointed appendages; chitinous exoskeleton Arthropoda
Find out the incorrect match with regard to body divisions.
Scaleless organism among the following is
Which of the following statement is incorrect about phylum Hemichordata?
Mark the incorrect statement.
Match the following and choose the correct option. Column – I Column II a Cyclostomes i. Tetrapoda b Chondricthyes ii. Pisces c Urochordata iii. Protochordate d Amphibia iv. Agnatha a b c d 1. iv iii ii i 2. i ii iv iii 3. iv ii i iii 4. iv ii iii i
Mark the correct statement about vertebrates.
Asexual reproduction takes place through gemmule formation in
Mark the incorrect match.
Urochordata is also called
Which of the following is not correct matching of phylum and its three examples?
Match the following and choose the correct option. Column I Column II A. Octopus (i) Flame cells B. Aedes (ii) Comb plates C. Ctenoplana (iii) Radula D. Planaria (iv) Malpighian tubules A B C D 1. iii iv ii i 2. ii iv iii i 3. iii ii iv i 4. iii ii i iv
Which of the following has a post-anal tail?
Find out the incorrect match with regard to body divisions.
Assertion (A) : Open circulatory system is found in all molluscs. Reason (R) : In all molluscs, haemolymph directly bathes the internal tissues and organs.
Chordate feature of Balanoglossus is
Simple and compound eyes are present in
The nerve cord in cephalochordates is not
Cyclostomes are marine, but migrate to freshwater
Pseudocoelomates
Which of the following statements is incorrect about phylum Hemichordata ?
Match column I with column II, and choose the correct combination from the options given below. Column – I Column II a Cyclostomes i. Tetrapoda b Chondricthyes ii. Pisces c Urochordata iii. Protochordate d Amphibia iv. Agnatha a b c d 1. i ii iv iii 2. i ii iv iii 3. iv ii iii i 4. iv ii i iii
Cyclostomata is named so because
Which of the following is a cyclostome?
What happens to the embryonic notochord of vertebrates, in general?
Identify the animal which has a ladder-like nervous system.
Reproduction occurs asexually by fragmentation in
Which of the following are the general characters of Platyhelminthes? (a) Dorso-ventrally flattened body (b) External fertilisation (c) Development is indirect (d) Sexes are separate
Mark the incorrect match.
Fill up the blank spaces in the table below by selecting the correct option. Phylum/Class Excretory organ Circulatory system Respiratory organ Arthropoda A B Gills/Book gills C Nephridia Closed Skin D Metanephridia Open E A B C D E 1 Green gland Closed Mollusca Annelida Tracheal system 2 Malpighian tubule Open Annelida Mollusca Feather like gills 3 Antennary gland Open Porifera Amphibia Lungs 4 Nephridia Closed Mollusca Annelida Lungs
Tunicates are the organisms which
Which of the following is not correct matching of phylum and its three examples?
Post-anal tail occurs at least at some stage in the life history of which of the following?
Statement I : Circulatory system of arthropods is called open circulatory system. Statement II : In arthropods, haemolymph directly bathes internal tissues and organs.
Mark the feature of arthropods.
The nerve cord in cephalochordates is
Mesoderm is distributed as scattered pouches between ectoderm and endoderm in
Which of the following migrates from sea to fresh water for spawning?
Which of the following have a closed circulatory system?
Cyclostomes are called so because of their circular
Identify the animal which has a ladder-like nervous system.
Statement I : Roundworms are bilaterally symmetrical and triploblastic. Statement II : Roundworms can be oviparous or ovoviviparous.
In which of the following organisms, larval form has advanced characteristics compared to adults?
Which of the following is not a fundamental chordate character?
Organisms with radula also possess
A single opening helps with both ingestion and egestion in which of the following?
Shelled organisms are included under
Choose the correct set of features of Osteichthyes. (a) Air sac (b) Air bladder (c) Claspers (d) Cloaca (e) Operculum (f) Osphradium
Which phylum is characterised by metamerism and open circulation?
Meandrina is characterised by the presence of
Pseudocoelomate among the following is
Match the following and choose the correct option. Column – I Column – II A Sea anemone I Gorgonia B Sea hare II Aplysia C Sea urchin III Ascidia D Sea fan IV Echinus V Adamsia A B C D 1. I IV III V 2. IV III II I 3. V II IV I 4. V III I II
Closed type of circulation is found in
First ever tetrapod vertebrates belong to
Which phylum is characterised by the presence of undifferentiated mesoglea between ectoderm and endoderm?
Choose the correct statements. A) Notochord is persistent throughout the life in lancelets. B) Notochord is present only in the larval tail in ascidians. C) Notochord lies mid dorsally, above the the nerve cord in chordates. D) Notochord replaces the vertebral column in vertebrates.
Central nervous system in arthropods is
Cyclostomes possess
Read the following statements and choose the correct option. A) In Obelia , polyps produce medusae asexually and medusae form the polyps sexually. B) Polyp is a sessile and cylindrical form whereas medusa is umbrella shaped and a free swimming form.
Which of the following is considered ‘a living fossil’ among arthropods?
Only intracellular digestion takes place in
Mark the correct set of phyla with organisms which are exclusively marine.
Match the following Column – I Column – II A Sepia i Jellyfish B Asterias ii Devilfish C Aurelia iii Silverfish D Octopus iv Starfish v Cuttlefish A B C D 1. i iv iii v 2. v iii ii i 3. v ii iv i 4. v iv i ii
Statocysts are
Which of the following is a triploblastic animal with radial symmetry?
Read the following statements and choose the correct option. A) In pseudocoelomates, body cavity is not lined by mesoderm and mesoderm is present as scattered pouches in between the ectoderm and endoderm. B) In arthropods, body can be divided into identical left and right halves in only mid sagittal plane.
Comb plates are concerned with
Gregarious, polyphagous pest is
Match the following and choose the correct option. Column – I Column – II A Silk I Laccifer B Pearls II Corallium C Lac III Bombyx D Honey IV Pinctada V Apis A B C D 1. III II I V 2. IV III II I 3. III IV I V 4. V I II IV
Choose the correct statements about ctenophores. A) Digestion is both extracellular and intracellular. B) Asexual reproduction takes place by budding. C) Diploblastic with tissue level of organisation. D) Unisexual animals with indirect development.
Chordate character found in hemichordates is
Function of radula is
Alternation of generations exhibited by Obelia is called
Match the following and choose the correct option. Column – I Column – II A Silk I Laccifer B Pearls II Corallium C Lac III Bombyx D Honey IV Pinctada V Apis A B C D 1. III II I V 2. IV III II I 3. III IV I V 4. V I II IV
Read the following statements. Assertion (A) : Amphioxus is placed under the subphylum Cephalochordata Reason (R) : Notochord is confined only to the head region in Amphioxus .
Body bears eight external rows of ciliated comb plates in
Stomochord is present in the collar region of
Which of the following is incorrect about cyclostomes?
Stinging capsules of cnidocytes are called
Central nervous system in lancelets is
Triploblastic animals with incomplete digestive system belong to
Match the following and choose the correct option. Column – I Column – II A Acoelomate I Ctenoplana B Pseudocoelomate II Planaria C Diploblastic animal III Hirudinaria D Coelomate IV Wuchereria V Euspongia A B C D 1. II IV I V 2. II IV V I 3. V II IV I 4. II IV I III
Echinoderms exhibit
Choose the incorrect match.
Book gills are found in
Match the following and choose the correct option. Column – I Column – II A Acoelomate I Ctenoplana B Pseudocoelomate II Planaria C Diploblastic animal III Hirudinaria D Coelomate IV Wuchereria V Euspongia A B C D 1. II IV I V 2. II IV V I 3. V II IV I 4. II IV I III
Identify the correct set of dioecious animals.
Symmetry exhibited by Pleurobrachia is
Meandrina is characterised by the presence of
Closed type of circulation is found in
Cyclostomes possess
Mark the correct set of phyla with organisms which are exclusively marine.
Choose the correct statements. A) Notochord is persistent throughout the life in lancelets. B) Notochord is present only in the larval tail in ascidians. C) Notochord lies mid dorsally, above the the nerve cord in chordates. D) Notochord replaces the vertebral column in vertebrates.
Read the following statements and choose the correct option. A) In Obelia , polyps produce medusae asexually and medusae form the polyps sexually. B) Polyp is a sessile and cylindrical form whereas medusa is umbrella shaped and a free swimming form.
Which of the following is a triploblastic animal with radial symmetry?
Comb plates are concerned with
Gregarious, polyphagous pest is
Alternation of generations exhibited by Obelia is called
Match the following and choose the correct option. Column – I Column – II A Dentalium I Urochordata B Myxine II Aschelminthes C Ancylostoma III Mollusca D Doliolum IV Echinodermata V Cyclostomata A B C D 1. I V II III 2. III V II I 3. III II V I 4. V I II IV
Read the following statements. Assertion (A) : Amphioxus is placed under the subphylum Cephalochordata Reason (R) : Notochord is confined only to the head region in Amphioxus .
Body bears eight external rows of ciliated comb plates in
Which of the following is incorrect about cyclostomes?
Stinging capsules of cnidocytes are called
Triploblastic animals with incomplete digestive system belong to
Match the following and choose the correct option. Column – I Column – II A Choanocytes I Aedes B Cnidocytes II Fasciola C Malpighian tubules III Physalia D Flame cells IV Cucumaria V Sycon A B C D 1. V III I II 2. IV III I II 3. V II IV I 4. V III II IV
Freshwater organism with cellular level of organisation is
Choose the incorrect match.
Identify the correct set of dioecious animals.
Which of the following is not true about sponges?
In case of sponges, water enters the spongocoel through
Which of the following are bilaterally symmetrical?
Cnidocytes help in
Which of the following is not a similarity between Adamsia and Aurelia ?
Which of the following has several larval stages in its life history?
Which of the following statements is incorrect with regard to Ascaris ?
Select the incorrect statement.
Which of the following is true regarding Nereis , Pheretima and Hirudinaria ?
Chitinous exoskeleton is one of the key features to the success of arthropods on land because
Which of the following is a living fossil?
Select the option that correctly matches a characteristic feature with the group of three animals.
The excretory organ of Balanoglossus is
Match the following genera with their respective phyla. Column I Column II (a) Adamsia (i) Mollusca (b) Aplysia (ii) Aschelminthes (c) Ascidia (iii) Chordata (d) Ancylostoma (iv) Cnidaria a b c d 1. i iv iii ii 2. iv i iii ii 3. ii iii i iv 4. iv i ii iii
Which of the following are similar in their basic function?
External fertilisation occurs in
Which of the following is not a characteristic feature of chordates?
Choose the correct statement.
Choose the false statement regarding Petromyzon .
Which of the following is incorrect ?
In which one of the following, the genus name and its two characters are not correctly matched? Organism Characters 1. Ascidia (i) Pharyngeal gill-slits (ii) Retrogressive metamorphosis 2. Labeo (i) Operculum (ii) Placoid scales 3. Petromyzon (i) Ectoparasite on fishes (ii) Closed circulatory system 4. Alligator (i) Scutes over the body (ii) Four-chambered heart
Select the correct statement about sexual dimorphism.
Identify the group of animals characterised by the presence of four pairs of gills.
Which one of the following is true about Rana ?
Which one of the following is not a general character of birds?
Which of the following animals does not undergo metamorphosis?
Aves originated from reptiles. Which of the following is not an advancement of birds over reptiles?
Which of the following characters is present in all mammals, without even a single exception?
Flying fox is included under the class
Which one of these animals is not a poikilotherm?
Consider following features: (a) Internal fertilisation (b) A pair of jaws (c) Mostly viviparous Select the correct option of animal groups which possess all the above characteristics.
Match the following organisms with their respective characteristics. Column I Column II (a) Canis (i) Operculum (b) Catla (ii) Pneumatic bones (c) Columba (iii) Pinna (d) Carcharodon (iv) Claspers a b c d 1. iii ii i iv 2. iv i ii iii 3. iii i ii iv 4. i iii iv ii
Select the option which shows correct combination of three animals and their common feature. Organisms Character 1. Silverfish Devilfish Jellyfish Triploblastic 2. Sea urchin Sea horse Sea hare Enterocoelomates 3. Earthworm Silkworm Roundworm True coelom 4. Flying fish Flying fox Flying birds Paired appendages
Assertion (A) : Platypus is classified as mammal. Reason (R) : Platypus is oviparous.
Match the following and choose the correct option. Column I Column II (a) Columba (i) Turtle (b) Chelone (ii) Pigeon (c) Clarias (iii) Garden lizard (d) Calotes (iv) Magur a b c d 1. ii i iii iv 2. ii iv i iii 3. ii i iv iii 4. i ii iv iii
Read the following statements and pick out the correct option. (a) Coelenterates, ctenophores, and echinoderms are radially symmetrical. (b) Platyhelminthes includes acoelomates with incomplete gut. (c) The cells and tissues of earthworm are directly bathed in blood. (d) The ectoderm is present as scattered pouches in between the mesoderm and endoderm in Aschelminthes.
In case of sponges, water enters the spongocoel through
Which of the following represents the correct match of a feature with the given set of animals? Feature Organisms 1. Diploblastic condition Hydra , sea walnut, Planaria 2. Bilateral symmetry Hagfish, cuttlefish, jellyfish 3. True coelom Dogfish, devil fish, star fish 4. Notochord Lancelet, leech, lac insect
In which of the following options, all belong to the same phylum?
Which of the following is not a similarity between Adamsia and Aurelia ?
Select the incorrect statement.
Which of the following is not an arthropod character?
Which of the following animal groups is incorrectly paired with its characteristic?
Which of the following characters is shared by sea hare and sea urchin?
Which of the following is a living fossil?
The excretory organ of Balanoglossus is
Which of the following is not a characteristic feature of chordates?
Select the correct statement about sexual dimorphism.
Identify the group of animals characterised by the presence of four pairs of gills.
Which one of the following is true about Rana ?
Which of the following is incorrect ?
Which of the following animals does not undergo metamorphosis?
Which one of the following is not a general character of birds?
Flying fox is included under the class
Which one of these animals is not a poikilotherm?
Which of the following structures are modified placoid scales in Trygon ?
A file-like rasping organ called radula is present in the buccal cavity of
Select the option which shows correct combination of three animals and their common feature. Organisms Character 1. Silverfish Devilfish Jellyfish Triploblastic 2. Sea urchin Sea horse Sea hare Enterocoelomates 3. Earthworm Silkworm Roundworm True coelom 4. Flying fish Flying fox Flying birds Paired appendages
Which of the following open into the cloaca in amphibians? (a) Alimentary canal (b) Urinary tract (c) Reproductive tract
Which of the following organisms exhibits all the following features? (a) Poikilothermy (b) Three-chambered heart (c External fertilisation (d) Indirect development
Select the Lizards from the following: i) Chelone ii) Calotes iii) Chameleon iv) Hemidactylus v) Testudo vi) Crocodylus
Which of the following is a limbless reptile?
The first jawed vertebrates are included under
Which of the following is an oviparous mammal?
Which of the following mammals exhibits aerial adaptations?
Match the following and choose the correct option. Column-I Column-II A Bufo I Salamander B Rana II Frog C Hyla III Limbless amphibian D Salamandra IV Tree frog E Ichthyophis V Toad A B C D E 1 II V IV I III 2 V II IV I III 3 II IV V I III 4 V IV II I III
All the following are flying birds, except
Assertion (A): Cyclostomes are marine but migrate for spawning to freshwater. Reason (R): Larvae of cyclostomes metamorphose in marine water.
Statement-I: Fertilisation in cartilaginous fishes is usually internal. Statement-II: In male cartilaginous fishes, pectoral fins bear claspers.
Match the columnsI & II and choose the correct combination from the options given Column-I Column-II a Macaca i Limbless Vertebrate b Corvus ii Cloacal chamber c Vipera iii Pneumatic bones d Bufo iv Ear pinna a b c d 1. iv iii i ii 2. iii iv i ii 3. i ii iv iii 4. i ii iii iv
Which of the following is not a homeotherm?
Animals of which of the following phyla are triploblastic and bilaterally symmetrical?
Match the following and choose the correct option. Column-I Column-II a Hemidactylus i Ectoparasite b Canis ii Predator c Carcharodon iii Sheds scales as skin cast d Petromyzon iv Viviparity a b c d 1. ii i iv iii 2. iv iii i ii 3. iii iv ii i 4. iii iv i ii
Animals which regulate their body temperature are called
Bioluminescent property is well-marked in
In echinoderms, specialised excretory organs are
Select the incorrect statement about the phylum Aschelminthes.
Lancelets are included under
Select the incorrect statement from the following.
Animals having dorsoventrally flattened body are included under phylum
Which of the following is a poikilotherm with four-chambered heart?
Tetrapoda is a
Which of the following features is common to Ascaris and cockroach?
Ascidia belongs to the phylum
Besides the mammals, viviparity is also found in many members of
Which of the following is a freshwater bony fish?
Amphibians belongs to superclass
Match the following and choose the correct option. Column – I Column – II A Exocoetus I Magur B Clarias II Fighting fish C Betta III Angel fish D Pterophyllum IV Flying fish A B C D 1. II I IV III 2. IV I II III 3. IV II III I 4. I II III IV
External fertilisation occurs in
All the following are flying birds, except
Match the following and choose the correct option. Column-I Column-II a Hemidactylus i Ectoparasite b Canis ii Predator c Carcharodon iii Sheds scales as skin cast d Petromyzon iv Viviparity a b c d 1. ii i iv iii 2. iv iii i ii 3. iii iv ii i 4. iii iv i ii
Assertion (A): Cyclostomes are marine but migrate for spawning to freshwater. Reason (R): Larvae of cyclostomes metamorphose in marine water.
Which of the following is not a homeotherm?
Select the Lizards from the following: i) Chelone ii) Calotes iii) Chameleon iv) Hemidactylus v) Testudo vi) Crocodylus
The additional chambers in the digestive tract of birds that serve for storage of food and grinding of food are respectively
The first jawed vertebrates are included under
Which of the following is an oviparous mammal?
Statement I: A shark can stay at a desired level in water without much expenditure of energy. Statement II: Shark has a buoyancy regulating organ called the swim bladder.
Animals having dorsoventrally flattened body are included under phylum
Ascidia belongs to the phylum
Animals which regulate their body temperature are called
Bioluminescent property is well-marked in
In echinoderms, specialised excretory organs are
Select the incorrect statement from the following.
Lancelets are included under
Which of the following features is common to Ascaris and cockroach?
The following characters are applicable to which phylum? a) Hooks & suckers are present in parasitic forms. b) Some of them absorb nutrients from the host directly through their body surface. c) Fertilisation is internal and development is through many larval stages.
Which of the following is a poikilotherm with four-chambered heart?
What is common among parrot, platypus and kangaroo?
In coelomates, the body cavity is present between
Match the following and choose the correct answer Column-I Column-II A Portuguese man-of–war I Limulus B Gregarious pest II Physalia C Living fossil III Locusta D Ectoparasitic vertebrate IV Petromyzon A B C D 1 II III I IV 2 II III IV I 3 II I III IV 4 II IV I III
Which of the following is bilaterally symmetrical, triploblastic and pseudocoelomate animal?
Development is indirect in
Identify the correct combination.
Great white shark has
Specialised cells called flame cells are seen in
Which of the following organisms lacks cnidoblasts?
Select the correct combination.
Which one of the following statements about certain given animals is correct ?
Which of the following are warm-blooded oviparous animals?
All the following are lizards, EXCEPT
Hypostome is found in
In pseudocoelomates,
Read the following statements Statement-A: If the statocysts were to be damaged in an aquatic arthropod, it could lose vision. Statement-B: Statocysts are the photoreceptors in aquatic arthropods.
A student observed a specimen and identified it as a bony fish. The character by which he identified is
Match the following and choose the correct option. Column-I Column-II A. Dentalium I. Diaphragm B. Saccoglossus II. Worm-like body C. Neophron III. Air sacs D. Delphinus IV. Calcareous shell A B C D 1 IV III I II 2 III II I IV 3 IV II III I 4 III IV II I
Skeleton made of calcium carbonate is observed in
Development is indirect in which of the following the phyla? (a) Platyhelminthes (b) Ctenophora (c) Cnidaria (d) Porifera
Jawed vertebrate in which the notochord is persistent throughout life is
Flame cells help in
Dogfish is Scoliodon , while dog is ……..
Taenia is characterised by
Pneumatic bones are found in
Incomplete digestive system is found in the members of phylum
During the course of evolution, a closed circulatory system first appeared in phylum
Triploblastic animals primarily exhibit
Which one of the following statements is incorrect ?
Cells that help in the maintenance of water current through the canal system of sponges are
What is the type of fertilisation and development seen in sea walnuts?
Corals are included under the phylum
Which of the following helps in locomotion in Asterias ?
Molluscs can be distinguished from other invertebrates by the presence of
Which of the following is a correct match?
Match the following and choose the correct option. Column I Column II (a) Echinus (i) Brittle star (b) Cucumaria (ii) Sea lily (c) Antedon (iii) Sea urchin (d) Ophiura (iv) Sea cucumber a b c d 1. iii iv i ii 2. iii iv ii i 3. iv iii ii i 4. iii ii iv i
Beside the mammals, viviparity is also observed in many members of the class
Chordates differ from non-chordates in having
Which of the following animal does not belong to Gnathostomata?
Claspers are found on the
Which among the following is true ?
Which of the following birds cannot fly?
Which of the following is found in both amphibians and reptiles?
Which of the following is not a poisonous snake?
In bony fishes, how many pairs of gills are present?
Collar cells are found in animals that belong to the phylum
Nerve cells are absent in
All the following organisms belong to the same phylum, except
Consider the following features. A. Tympanum. B. Two pairs of limbs C. Moist skin. Select the correct set of animals which possess all the above characteristics.
Which one of the following animals is the exception in mammals based on method of reproduction?
Stomochord is a feature of phylum
Larvae of echinoderms are
Specialised excretory structures are absent in
Which of the following is a general character of phylum Mollusca?
Statocysts are the balancing organs found in some aquatic animals of the phylum
Blood pigment of Pheretima is
Arthropods are characterised by the presence of
Which of the following characters is true for phylum Aschelminthes?
Which of the following is bilaterally symmetrical, triploblastic and pseudocoelomate animal?
Match the following and choose the correct answer Column-I Column-II A Portuguese man-of–war I Limulus B Gregarious pest II Physalia C Living fossil III Locusta D Ectoparasitic vertebrate IV Petromyzon A B C D 1 II III I IV 2 II III IV I 3 II I III IV 4 II IV I III
How many of the following birds cannot fly in air? Corvus , Columba , Psittacula , Struthio , Pavo , Aptenodytes , Neophron
Which of the following are warm-blooded oviparous animals?
All the following are lizards, EXCEPT
Read the following statements Statement-A: If the statocysts were to be damaged in an aquatic arthropod, it could lose vision. Statement-B: Statocysts are the photoreceptors in aquatic arthropods.
A student observed a specimen and identified it as a bony fish. The character by which he identified is
Match the following and choose the correct option. Column-I Column-II A. Dentalium I. Diaphragm B. Saccoglossus II. Worm-like body C. Neophron III. Air sacs D. Delphinus IV. Calcareous shell A B C D 1 IV III I II 2 III II I IV 3 IV II III I 4 III IV II I
Dogfish is Scoliodon , while dog is ……..
Identify the correct combination. Group Salient feature 1 Amphibia Single circulation 2 Reptilia Mesodermal exoskeleton 3 Birds Fully ossified endoskeleton 4 Mammalia Right systemic arch
Which of the following are unique features of mammals?
Tissues are present, but organs are absent in
Which of the following exhibits the lowest level of organisation?
A canal system helpful in food gathering, respiratory exchange and removal of waste is found in
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Echinodermata (i) Pseudocoelomates (b) Aschelminthes (ii) Acoelomates (c) Annelida (iii) Schizocoelomates (d) Platyhelminthes (iv) Enterocoelomates a b c d 1. iv i iii ii 2. i iv iii ii 3. iv i ii iii 4. iv iii i ii
Read the following statements. (a) In arthropods, the cells and tissues are directly bathed in blood (haemolymph). (b) Any plane passing through the central axis of the body divides Hydra into two identical halves. (c) The body cavity of Ascaris is not lined by mesoderm. (d) Animals that do not possess notochord are called protochordates. Choose the correct answer from the options given below.
Internal fertilisation occurs in which of the following animals?
Cnidoblasts are found in
Aurelia is
The body is supported by a skeleton made up of spicules in
Both intracellular and extracellular digestion occurs in
Which of the following has a calcareous skeleton?
Which one of the following organisms bears comb plates?
Which of the following has an incomplete alimentary canal?
Which of the following phyla includes bilaterally symmetrical, triploblastic and pseudocoelomate animals?
Which of the following statements is true about Fasciola ?
How can you distinguish between the male and female Ascaris ?
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Taenia (i) Filarial worm (b) Wuchereria (ii) Liver fluke (c) Fasciola (iii) Hookworm (d) Ancylostoma (iv) Tapeworm a b c d 1. iv i ii iii 2. ii i iv iii 3. iv iii ii i 4. i iv iii ii
Which of the following are true about Hirudinaria ? (a) Lateral appendages called parapodia help in swimming. (b) It is monoecious. (c) Protonephridia help in excretion and osmoregulation. (d) Nephridia help in excretion and osmoregulation.
During the course of evolution, which of the following appeared first in Annelida?
Select the incorrect combination.
Arthropods are
Sensory structures present in arthropods are (a) simple eyes (b) compound eyes (c) statocysts (d) antennae (e) osphradium Choose the correct answer from the options given below.
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Water vascular system (i) Echinodermata (b) Proboscis gland (ii) Annelida (c) Mantle (iii) Hemichordata (d) Metamerism (iv) Mollusca a b c d 1. iv iii i ii 2. i iii iv ii 3. iii i iv ii 4. ii iv iii i
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Water vascular system (i) Echinodermata (b) Proboscis gland (ii) Annelida (c) Mantle (iii) Hemichordata (d) Metamerism (iv) Mollusca a b c d 1. iv iii i ii 2. i iii iv ii 3. iii i iv ii 4. ii iv iii i
Which of the following animals is included under the second-largest animal phylum?
Statement I: The mouth of molluscs contains a file-like radula. Statement II: Radula helps in chemical digestion.
Which of the following features are common to Mollusca and Echinodermata? (a) Mantle over the visceral hump (b) Organ system level of organisation (c) Water vascular system (d) Unsegmented body (e) Absence of excretory system
Match the following animals with their respective phyla. Column I Column II (a) Sea anemone (i) Ctenophora (b) Sea hare (ii) Echinodermata (c) Sea urchin (iii) Mollusca (d) Sea walnut (iv) Cnidaria a b c d 1. i iii i iv 2. iv ii iii i 3. iv iii ii i 4. iii i iv ii
A complete digestive system with the mouth on the lower (ventral) side and the anus on the upper (dorsal) side is found in
Both molluscs and echinoderms are
Worm-like marine animals with a stomochord are included under the phylum
Select the correct difference between nonchordates and chordates. Nonchordates Chordates 1. Ventral nerve cord Dorsal nerve cord 2. Tail is post-anal Tail is pre-anal 3. Heart is myogenic Heart is neurogenic 4. Heart is dorsal Heart is ventral
Coelomate unsegmented animals are included under
Jawless vertebrates are included under
The scales of Scoliodon are
Which of the following has electric organs for defence and predation?
Which of the following statements wrongly describes Petromyzon ?
Select the option including all marine animals.
The endoskeleton is entirely cartilaginous in
Select the correct difference between Chondrichthyes and Osteichthyes. Chondrichthyes Osteichthyes 1. Operculum is present Operculum is absent 2. Air bladder is present Air bladder is absent 3. Ammonotelic Ureotelic 4. Mouth is ventral Mouth is terminal
The heart of frogs is
The body is divisible into head and trunk in
Chelone differs from Crocodylus in having a
Which of the following sheds its scales as skin cast?
All the following are snakes, except
Identify the animal groups characterised by the presence of air bladder and air sacs respectively.
Match the generic names given in column I with the common names given in column II and select the correct option. Column I Column II (a) Aptenodytes (i) Vulture (b) Neophron (ii) Parrot (c) Struthio (iii) Ostrich (d) Psittacula (iv) Penguin a b c d 1. iv i iii ii 2. i iv iii ii 3. iv i iii ii 4. iii ii iv i
Read the following statements. (a) Fishes possess a two-chambered heart with one auricle and one ventricle. (b) The eyes of amphibians lack eyelids. (c) The name Reptilia refers to their creeping or crawling mode of locomotion. (d) Air sacs connected to lungs supplement ventilation in birds. (e) Mammals are viviparous without any exception. Choose the correct answer from the options given below.
Pneumatic bones are present in
Which of the following is an oviparous homeothermic vertebrate?
