Amphibians are creatures in the Animalia kingdom’s Chordata phylum. They are animals with many cells and backbones that can survive in both water and on land. There are approximately 3000 different types of amphibians. They were the first animals with cold blood to live on land.
Class Amphibia MCQ for NEET
Ques 1. A frog has
1. jaws but no teeth
2. eyes but no lids
3. ears but no pinnae
4. hands but no fingers
Answer: ears but no pinnae
Ques 2. This about Class Amphibia is correct
(i) fertilization is internal
(ii) respiration is through gills only
(iii) body is divisible into head and trunk
(iv) heart is two chambered – one ventricle and one auricle
1. only (i)
2. only (iii)
3. (i), (ii) and (iv)
4. all are correct
Answer: 2.
Ques 3. Dicondylic skull along with ten pairs of cranial nerves is found in
1. Reptilia
2. Amphibia
3. Mammalia
4. Pisces
Answer: Amphibia
Ques 4. In amphibians, Organ of Jacobson is for
1. sound
2. pressure
3. smell
4. temperature
Answer: smell
Ques 5. This is not a true amphibian animal
1. Toad
2. Frog
3. Tortoise
4. Salamander
Answer: Tortoise
Ques 6. Even after attaining sexual maturity, larval characters are retained. It is known as
1. Ontogenesis
2. Neoteny
3. Parthenogenesis
4. Phylogenesis
Answer: Neoteny
Ques 7. The body temperature of a frog is 20 degrees celsius in an environment having a temperature of 30 degrees celsius. The temperature of the frog in the new environment is
1. 25 degrees celsius
2. 30 degrees celsius
3. 20 degrees celsius
4. between 20-30 degrees celsius
Answer: 30 degrees celsius
Ques 8. Neck is not found in a frog. This absence helps the frog to
1. jump on ground
2. respire
3. catch prey
4. swim in water
Answer: jump on ground
Ques 9. The differentiating factor of the venous system of frog and rabbit is in the presence of this
1. hepatic vein
2. renal portal system
3. three vena cavae
4. hepatic portal system
Answer: renal portal system
Ques 10. Frogs dwell in water or in the vicinity of water as
1. it respires through the skin
2. its hindlimbs are webbed, facilitating to swim
3. it can see through its transparent eyelids whilst swimming
4. water is a good source for food
Answer: it respires through the skin
