Which of the following correctly describes probiotics?
is used to produce a bioactive molecule which is used as an immunosuppressive agent in organ-transplant patients
Penicillin was discovered by Alexander Flemming while working with a bacterium
Monascus purpureus is a commercial source of .
Vessels used for obtaining the beverages or other microbial products by growing microbes on industrial scale are known as .
CO 2 is not released during
Statement A: Lactobacillus can convert milk into curd. Statement B: During curd formation from milk CO 2 is released.
Nobel prize for the discovery of Penicillin was given in the year
Biogas predominantly consists of
Which one of the following is a heterotrophic biofertilizer?
Which microbe is used in bread making?
Rumen of cow and buffalo possess
Which one of the microbial industrial products acts as competitive inhibitor of an enzyme?
Sewage of towns and cities
A floc formed during sewage treatment consists of
All are the product of fermentation except
Primary treatment in a sewage treatment plant
Propionibacterium shermanii is used for
Biochemical oxygen demand represents
During sewage treatment, biogas is produced which includes
What gases are produced in anaerobic sludge digesters?
This is used in laundry to clear oil stains
Fermented broth is subjected to distillation for the production of I. Brandy II. Rum III. whisky IV. Beer
The Ladybird, and Dragonflies are useful to get rid of:
Match Column I with Column II Column I Column II (a) Propionibacterium sharmanii (i) Ethanol (b) Saccharomyces cerevisiae (ii) Cyclosporin A (c) Monascus pupureus (iii) Swiss cheese (d) Streptococcus (iv) Streptokinase (v) Statin
is the alcoholic beverage obtained without distillation.
‘Gal ghotu’ is a common name for which disease?
Cyclosporine-A is produced by fungus .
Which one of the following is wrongly matched?
What would happen if oxygen availability to activated sludge flocs is reduced?
The symbiotic association between fungi and roots of higher plants is called .
The substrate used for production of beverages is
A lake with an inflow of domestic sewage rich in organic waste may result in
During the growth metabolism of the following the gaseous end product formed is carbon dioxide. A. Propionibacterium B. Saccharomyces C. Methanobacterium D. Lactobacillus
Choose the incorrect match with respect to biocontrol agents
Which is effective biocontrol agent for several plant pathogens?
Blood cholesterol lowering agents statins are produced by
CO 2 is not produced during
Choose the incorrect match
Which of the following in sewage treatment removes suspended solids?
Alexander Fleming discovered Penicillin while he was working on:
Production of beverages and antibiotics on an industrial scale, requires growing microbes in very large vessels called
The characteristic texture, flavour and taste of ‘Swiss cheese’ comes from a:
A patient’s blood test report shows that he had very high levels of cholesterol. Which amongst the following medicine is most likely to be prescribed by the doctor?
During the formation of which one of the products by microbial action, there is no release of CO 2 ?
Saccharomyces cerevisiae is not used or involved for the production of
‘Toddy’, a traditional drink of some parts of southern India is made by fermenting sap from:
The Ladybird beetle is used to get rid of:
All the following are correct about mycorrhizae, except:
Methanogens are commonly found in (a) anaerobic sludge (b) rumen of cattle (c) gobar
The rising of dough is due to
A system of rotating crops with legume or grass pasture to improve soil structure and fertility is called
Which of the following in sewage treatment removes suspended solids?
Which of the following can be used as a biocontrol agent in the treatment of plant disease?
Which of the following statements about methanogens is not correct?
One of the following cyanobacteria, not only fixes atmospheric nitrogen but also enriches the soil with organic matter to increase soil fertility.
Alexander Flemming noticed the chemical produced by a mould could check the growth of bacterium on which he worked. The bacterium on which he worked was
Select the mismatch.
In which step of sewage treatment will you find formation of flocs?
Which of the following is immunosuppressive agent in organ-transplant patients?
Which micro-organisms digest the bacteria and fungi present in sludge in anaerobic sludge digestor?
Match column I with column II and select the correct option using the codes given below. Column I Column II A. Saccharomyces cerevisiae I. Bacteria B. Streptokinase II. Fungus C. Aspergillus niger III. Nematode D. Meloidegyne incognitia IV. Yeast
Lactic acid bacteria improve the nutritional quality of curd by increasing the content of the following vitamin
Baker’s yeast is
Lactic acid bacteria improve the nutritional quality of curd by increasing the content of
Look at the figure, and select the correct option.
is/are responsible for converting milk into curd.
‘Swiss cheese’ bears large holes due to the production of CO 2 by which microbe?
soldiers were extensively treated with penicillin during World War II.
Which microbe produces butyric acid?
The puffed-up dough of dosa and idli is due to .
Penicillin was extensively used during which war?
Blood cholesterol lowering agents are known as .
STP stands for
Which enzyme is known as ‘clot-buster’?
Which of the following is used in secondary treatment of sewage water?
After secondary treatment, the effluent is released into
The rumen of cattle harbours which bacteria?
The depth of concrete tank, a part of biogas plant, ranges from to .
Butterfly caterpillars can be controlled by use of the microbe .
IARI stands for
Baculovirus belongs to the genus
are the pathogens that attack insects and other arthropods.
serve as an important bio-fertilizer in paddy fields.
Fungi which form symbiotic associations with plants are .
What is shown in the figure?
What does ‘U’ indicate in the figure?
Big holes in Swiss cheese are made by a
Non-microbial bio control agents that naturally control the insect pests of crops are
The microbe used for the production of beverages is
Match List I with List II and choose the correct match. List I List II A. Bread making i Bacteria that release CO 2 during fermentation B. Swiss cheese production ii Bacteria that do not release CO 2 during fermentation C. Curdling of milk iii Propionibacterium sharmanii D. Idli and Dosa dough fermentation iv Unicellular ascomycetous fungus A B C D 1. i ii iii iv 2. iv iii ii i 3. iv ii iii i 4. iv i ii iii
Lipases are commercially used in
Statement A : Biogas has been used as a fuel for the purposes of lighting and cooking. Statement B: It does not cause pollution and is ecofriendly.
Statement A: During growth and metabolism different microbes produce different gases as end products. Statement B: During growth and metabolism of yeast, carbon dioxide is formed as the gaseous end product.
The technology of biogas production was developed in India by the efforts of
The type of gaseous end product formed during growth and metabolism of methanogenic bacterium is
Activated sludge consists of
Which biocontrol agents are used in the form of dried spores?
Cheese and yogurt are products of
Which one of the following is narrow spectrum bio-insecticide?
Some blue green algae are used as biofertilisers because they can
Which one of the following does not serve as biofertilizer in paddy fields?
Which one of the microorganisms is used for production of citric acid in industries ?
Match the following list of microbes and their importance List – I List – II (A) Saccharomyces cerevisiae (i) Production of immuno suppressive agents (B) Monascus purpureus (ii) Ripening of Swiss cheese (C) Trichoderma polysporum (iii) Commercial production of ethanol (D) Propionibacterium sharmanii (iv) Production of blood cholesterol lowering agents A B C D 1 iii iv i ii 2 iv iii ii i 3 iv ii i iii 4 iii i iv ii
Waste water of cities and towns is rich in
Biochemical oxygen demand of sewage is decreased in which one of the following by the activity of aerobic fungi and bacteria?
BOD is
The rejection of organ transplanting in humans is prevented by using
Bacteria that are used as source of antibiotics are A. Bacillus species B. Streptomyces species C. Penicillium species D. Salmonella species
Identify the incorrect statement regarding Nucleopolyhedro virus.
Identify the fungus freely living in the root ecosystem and working as a biocontrol agent for several plant pathogens.
Tissue or organ transplant in human beings often fails due to non-acceptance by the patient’s body. The patients are given one of the following drugs to suppress their immune system and promote the successful acceptance of the tissue/organ.
Identify the correct match.
Biochemical oxygen demand refers to
Clot buster enzyme with fibrinolytic effect is :
Match Column I with Column II and choose the correct match Column I Column II A Fungus used as biocontrol agent i Bacillus thuringiensis B Fungus used as biofertilizer ii Trichoderma C Bacterium used as biofertilizer iii Glomus D Bacterium used as biocontrol agent iv Azospirillum
Methanogens, a type of archaebacteria, play a role for the human welfare in A. sewage treatment B. biogas production C. increasing crop productivity D. biocontrol of plant pathogens
Which one of the following is a wrong matching of a microbe and its industrial product?
Select the incorrect match from the following
In oxidation pond, once BOD from the sewage is reduced significantly, the ‘flocs’ are allowed to sediment and it is known as :
Brewer’s yeast is
Select the incorrect statement with respect to aeration tank of the sewage treatment plant.
After a significant reduction in BOD of wastewater, it is passed into a setting thank where bacterial flocks are allowed to sediment. This sediment is called :
Match the column of bioactive substances and their roles and select the correct option. Bioactive substance Role i Stain (A) Removal of oil stains ii Cyclosporin A (B) Removal of clots from blood vessels iii Streptokinase (C) Lowering of blood cholesterol iv Lipase (D) Immunosuppressive agent
A good producer of citric acid is
Microbe used for biocontrol of pest butterfly caterpillars is
Match the following list of microbes and their importance Column I Column II A. Saccharomyces cerevisiae (i) Production of irnmuno suppressive agent B. Monascus purpureus (ii) Ripening of Swiss cheese C. Trichoderma polysporum (iii) Commercial production of ethanol D. Propionibacterium sharmanii (iv) Production of blood- cholesterol lowering agents
Which one of the following is not applicable to RNA?
Which of the following is wrongly matched in the given table?
Match column I with column II and select the correct option using the codes given below. Column-I Column-II A. Citric acid (i) Trichoderma B. Cyclosporin A (ii) Clostridium C. Statins (iii) Aspergillus D. Butyric acid (iv) Monascus
Which of the following is correctly matched for the product produced by them?
Conversion of milk to curd improves its nutritional value by increasing the amount of
Select the correct group of bio-control agents.
Which of the following is a commercial blood cholesterol lowering agent?
Roqueforte cheese is ripened by using
Match the following organisms with the products they produce. Column I Column II (A) Lactobacillus (i) Cheese (B) Saccharomyces cerevisiae (ii) Curd (C) Aspergillus niger (iii) Citric acid (D) Acetobacter aceti (iv) Bread (v) Acetic acid
Identify the microbe and the disease caused by it
Choose the correct statement. I. Lactic acid bacteria form Vitamin B 12 II. The acids produced by LAB digest the milk protein partially III. LAB check the growth of disease-causing bacteria in our stomach. IV. Idli and dosa dough are fermented by yeasts.
Identify the parts A, B, C and D respectively
Mycorrhizae as biofertilizers are useful in I. Absorbing more phosphorus from the soil II. Fixing the atmospheric nitrogen III. Protecting the plant from soil borne pathogens IV. Providing tolerance to plant from salinity and drought.
Match the following with respect to microbe and the chemical produced commercially by it List I List II A) Aspergillus niger I) Statins B) Clostridium II) Citric acid C) Streptococcus III) Butyric acid D) Monascus purpureus IV) Clot buster
Match the following columns and select the correct option. Column I Column II (a) Clostridium butylicum (i) Cyclosporin A (b) Trichoderma polysporum (ii) Butyric acid (c) Monascus purpureus (iii) Citric acid (d) Aspergillus niger (iv) Blood cholesterol-lowering agent
Which of the following is put into Anaerobic sludge digester for further sewage treatment ?
‘A’ is involved in the development of technique of biogas production in India and ‘B’ is involved in the construction of sewage treatment plants along the major rivers of our country. A and B are respectively
Cyclosporin A, used as immunosuppression agent, is produced from
For the commercial and industrial production of citric acid, which of the following microbes is used?
Match the following columns and select the correct option : Column-I Column-II (a) Dragonflies (i) Biocontrol agents of several plant pathogens (b) Bacillus thuringiensis (ii) Get rid of aphids and mosquitoes (c) Glomus (iii) Narrow spectrum insecticidal applications (d) Baculoviruses (iv) Biocontrol agents of lepidopteran plant pests (v) Absorb phosphorus from soil
A biocontrol agent to be a part of an integrated pest management should be
Among the following pairs of microbes, which pair has both the microbes that can be used as biofertilizers?
Match the contents in List I with List II and choose the correct match. List – I List – II A) Biocontrol agent I) Streptomyces B) Microbe in biogas production II) Trichoderma polysporum C) Cyclosporin A production III) Methanobacterium D) Antibiotics production IV) Nucleopolyhedrovirus
A good producer of citric acid is
Choose the incorrect match
Match the following List – I List – II A) Saccharomyces cerevisiae I) Bio-fertilizer B) Lactobacillus II) Statins production C) Monascus purpureus III) Ethanol production D) A zospirillum IV) Lactic acid production
Which among the following alcoholic beverage is produced without distillation?
During sewage treatment, the primary effluent is first passed into:
Increase in BOD is indicative of:
Which of the following is incorrectly matched?
An example of microbial biocontrol agents that can be introduced to control butterfly caterpillars is
Which of the following can be used as a biofertilizer and enrich soil with nitrogen?
Match column I with column II Column I Column II (a) Ladybird (i) Mosquitoes (b)Baculovirus (ii) Biofertilizer (c ) Dragonflies (iii) Aphids (d) Rhizobium (iv) Insects and other arthropods
Which of the following enzyme is an important ingredient in detergent formulation?
Effective fungal biocontrol agents of several plant pathogen is:
Full potential as an effective antibiotic Penicillin was established by:
Which of the following gases is not related as a byproduct of anaerobic digestion of activated sludge?
Read the statements given below. A. Azotobacter can fix atmospheric nitrogen while living freely in the soil. B. Methanogens are aerobic bacteria. C. Streptokinase is produced by a fungus. D. Primary treatment of sewage waste involves filtration and sedimentation. Which of these statements are wrong?
Swiss cheese bears large holes due to the production of CO 2 released from
Baculovirus belongs to the genus
The microscopic proteinaceous infectious agents are called
Identify A and B in the following sentence: Swiss cheese has large holes due to production of large amount of “A” by the activity of “B”.
Complete the following analogy: Swiss cheese: Propionibacterium shermanii : Bread : .
Aspergillus niger is used for the production of
Which antibiotic was extensively used to treat American soldiers wounded in World War II?
The scientist credited for showing the role of penicillin as potential antibiotic is/are
Chain and Florey were awarded the Noble prize in 1945 for the extraction of
Citric acid is obtained through the fermentation carried out by .
Cyclosporin A is obtained through fermentation activity of a fungus. Choose the correct statement with respect to it.
and help in clarifying fruit juices.
The ministry of Environment and forest has initiated Ganga and Yamuna Action Plans to
Identify the treatment process in a sewage treatment plant that helps to reduce the BOD in sewage matter.
Choose the incorrect statements with respect to biogas.
Go through following matches with respect to biocontrol agents, and select the correct option. A. Ladybird beetle – Aphids B. Dragonflies – Mosquitoes C. Bacillus thuringiensis – Butterflies/caterpillars D. Trichoderma – Several plant pathogens
The nuclear polyhedro viruses (NPV) are
Which of the following organisms is not used during biocontrol method?
Which of the following is an example of carrying out biological control of pest or disease-causing microbes?
Microbes used to control pests under IPM include
Which of the following helps in absorption of phosphorus from soil by plants?
Which of the following pair of organisms can increase the nitrogen content of the soil?
The main sources of biofertilizers are
Read the following statements, and choose the correct options. A. Many members of the genus Glomus form mycorrhiza. B. Aulosira is a non-symbiotic nitrogen fixer in rice field. C. BGA also adds organic matter to the soil and increase its fertility.
Which of the following are free-living nitrogen-fixing bacteria found in soil?
Select the incorrectly matched pair.
Match column I with column II Column I Column II A) Ladybird i) Control several plant pathogens B) Dragonflies ii) Aphids C) Bacillus thuringiensis iii) Mosquitoes D) Trichoderma iv) Butterfly caterpillars
Prions are infectious agents.
Baker’s yeast is .
Which vitamin is synthesized by LAB?
Which microbe helps us in the preparation of bread?
is a traditional drink of south India.
The traditional drink of south India is made by fermenting sap from tree.
Roquefort cheese is ripened by growing a specific fungus on it which gives it a particular .
The full potential as an effective antibiotic in the context of penicillin was studied by .
The name penicillin was given after the mould .
Citric acid is produced by .
Acetobacter aceti essentially produces .
A bacterium which is a rich source of lactic acid is .
The fruit juices available commercially are clearer than ones which are homemade. Which ingredient is added in commercially available fruit juices?
The enzyme streptokinase is used medicinally to
The major portion of waste water in cities and towns is .
Which drug is generally administered at the time of organ-transplant procedure?
‘Clot-buster’ is produced by which microbe?
Primary treatment of sewage waste involves which processes?
In sewage treatment plant, primary treatment involving removal of floating debris is done by
In primary treatment of sewage water, after sedimentation, the solids that settle form .
Identify the trait of Pea as identified by Mendel that can express itself in homozygous condition only.
Monascus purpureus is involved in the synthesis of:
Which of the following statements related to microbes in antibiotics production are correct? A. Penicillin was the first antibiotic discovered by Alexander Fleming while working on the bacterium Staphylococcus. B . Fleming, Chain and Florey were awarded Nobel Prize in1945. C. The full potential of penicillin as an effective antibiotic was established by Ernest Chain and Howard Florey. D. Penicillin does not allow Penicillium to grow.
The ‘flocs’ present in large aeration tanks causes in BOD. a. decrease b. increase c. no change
BOD can be defined as
The secondary treatment of sewage waste is also known as .
What kind of microbes is present in ‘flocs’ formed during secondary treatment of sewage?
Once BOD from the sewage is reduced significantly, the ‘flocs’ are allowed to sediment and it is known as .
Which ministry has initiated Ganga Action Plan and Yamuna Action Plan?
Which gas is the main constituent of biogas?
Methanogens are microbes.
Methanogens produce certain gases by growing on cellulosic material. What kind of organisms are they?
Dragonflies are useful to get rid of . a. ladybird b. aphids c. mosquitoes
‘Bt’ is available in sachets as dried .
The spent slurry in a biogas plant is used as .
A beetle with ‘red and black’ markings is known as .
‘Bt’ spores are mixed with and sprayed on vulnerable plants.
Root nodules of leguminous plants bear which microbe?
IPM stands for
Scientists have introduced gene into plants to impart resistance to insect pests.
Which fungus is used as biocontrol agent to control soil borne plant pathogens?
are free living bacteria which fix atmospheric nitrogen in soil.
Which of the following microbes help us avoid heavy use of fertilizers in the agricultural lands?
Arrange the steps of municipal waste water treatment in a correct sequence: (a) Grit is removed by sedimentation (b) Removal of floating debris by sequential filtration (c) Digestion of aerobic bacteria and fungi in sludge by anaerobic bacteria. (d) Vigorous growth of useful aerobic microbes into flocs
Big holes in Swiss cheese are formed by a
Microbe that not only plays a role in sewage treatment but also biogas production is
Read the following statements and identify the correct ones w.r.t. use of Baculovirus as biocontrol agent (a) They are species-specific (b) They are used for narrow spectrum insecticidal applications (c) They have been shown to have no negative impacts on plants, mammals, birds, fish or even on non-target insects. (d) They are useful to get rid of aphids and mosquitoes.
Match Column I with Column II Column I Column II (a) Bread (i) Trichoderma polysporum (b) Swiss cheese (ii) Lactobacillus (c) Cyclosporin A (iii) Propionibacterium sharmanii (d) Curd (iv) Saccharomyces cerevisiae
Which of the following pair of products are produced by the fermentative activity of bacteria?
Which of the following statement is incorrect.
Read the following statements with respect to antibiotics- A: Antibiotics means ‘pro life’ with respect to the pathogen. B: Antibiotics are used to treat deadly diseases like gal ghotu, colourblindness etc.
In a sewage treatment plant, microbial flocs are formed during-
All the following antibiotics are bacterial in origin except
Which inoculum is added to milk to form curd ?
Which antibiotic was extensively used to treat the American soldiers during world war-ll ?
Fill in the blanks I. Lipases are obtained from (A) II. Pectinases are obtained from (B) III. Proteases are obtained from (C) IV. Statins are obtained from (D) A B C D 1 Aspergillus niger Monascus purpureus Candida lipolytica Mortierella renispora 2 Mortierella renispora Candida lipotytica Monascus purpureus Aspergillus niger 3 Candida lipolytica Mortierella renispora Monascus purpureus Aspergillus niger 4 Candida lipolytica Aspergillus niger Mortierella renispora Monascus purpureus
Which of the following are end products during fermentation caused by yeasts ?
Alcoholic beverages are produced by
The municipal waste water is called
The treatment of waste water in a sewage treatment plant (STP) is done by
In a sewage treatment plant (STP), the primary sludge is obtained by
During the primary treatment in a sewage treatment plant (STP), the solid particles that settles down is called
Biogas production is a type of
The BOD test measures the rate of
The major component of biogas is
Which of the following is an important biofertilizer in rice fields ?
Methanogenic bacteria are not found in
The primary treatment of waste water involves removal of
The technology of biogas production from cow dung was developed in India largely due to the efforts of
The free-living fungus Trichoderma can be used for
List – I List – II A) Penicillium i) Biocontrol agent B) Methanobacterium ii) Used in cheese production C) Propionibacterium iii) Involved in biogas production D) Trichoderma iv) Yields antibiotic
The technology of biogas production was developed in India mainly due to the efforts of:
Statins, a bioactive molecule, inhibits the enzyme responsible for synthesis of
During the conversion of milk into curd,
Which amongst the following is not bacteria mediated process?
Ganga and Yamuna action plan is initiated by
Baculoviruses (nucleopolyhedrovirus) do not show
Which of the following microbe is used as biofertilizer ?
Choose the wrong match
Among the following which beverages are formed by distillation of fermented broth. A. Wine B. Whisky C. Brandy D. Beer
Penicillin was established as full potential antibiotic by A. Flemming B. Florey C. Walksman D. Chain
Choose the genera from which the antibiotics are mostly obtained. A. Penicillium B. Streptomyces C. Bacillus D. Clostridium
Streptomycin was discovered by
Penicillin was discovered as secreted product of which of the following organism?
Streptokinase acts as clot buster by promoting the formation of enzyme
Which of the following is the pair of biofertilizers?
Choose the correct sequence of microbes involved in biogas production.
Dissolved organic matter is present in
Flocs consists of
BOD (Biochemical Oxygen Demand) refers to
Biogas produced in sewage treatment consists of A. Methane B. Hydrogen C. Carbon dioxide D. Hydrogen sulphide
The organisms mainly involved in sewage treatment are A. Algae B. Bacteria C. Fungi D. Protozoans
Ganga Action Plan and Yamuna Action Plan were initiated by Indian government to
The main gas produced by anaerobic bacteria growing on cellulose material is
The substrate for Methanobacterium is
Statement A: Methanogenic bacteria play a role in the nutrition of cattle. Statement B: Methanogens present in the rumen of cattle play a role in the breakdown of cellulose.
The depth of concrete tank of bio gas plant is
Methanogenic bacteria like Methanobacterium is found in A. Anaerobic sludge digestor of sewage treatment plant B. Bioreactor C. Rumen of cattle
The main source of biofertilizers are the organisms that belongs to the kingdoms A. Monera B. Protista C. Fungi D. Plantae
These are not used as biofertilizers when present as free living organisms. A. Rhizobium B. Glomus C. Azospirillum D. Azotobacter
Choose the correct statement
Which of the following nutrient is absorbed by Glomus from the soil to supply it to plant with which it forms mycorrhizae?
Most famous symbiotic nitrogen fixing bacterium/biofertilizer is
Microbe used in commercial production of vinegar is
Which one is used for industrial production of alcohol ?
Which of the following enzymes is used in making detergent ?
Select the correct statement from the following
Plants whose roots are associated with Glomus show A. Resistance to root borne pathogens B. Tolerance to salinity C. Tolerance to drought
Statement A: Plants whose roots are associated with the fungus Glomus show overall increase in plant growth and development. Statement B: Plants that have mycorrhizae show increased absorption of phosphorus and some other minerals, water and resistance to pathogens and tolerance to drought.
In mycorrhizal association, the fungus derives which of the following advantage from the host plant?
The large holes in “Swiss cheese” are because of
Which one of the following is not an acid producer at industrial level?
Which one of the following is used in detergent formulations to clear oil stains in laundry?
A patient brought to a hospital with myocardial infarction is normally immediately given
A good producer of citric acid is
Match the following and choose the correct match. Column I Column II A. Trichoderma polysporum i. Statins B. Monascus purpureus ii. Cyclosporin A C. Streptococcus iii. Citric acid D. Aspergillus niger iv. Clot buster A B C D 1. ii iii i iv 2. ii i iv iii 3. ii iii iv i 4. ii iv i iii
What gases are produced in anaerobic sludge digesters?
Choose among the following that are used for the production of enzymes at industrial level. A. Aspergillus B. Clostridium C. Streptococcus D. Fusarium
Vinegar is commercially produced by using
Which of the following is correctly matched for the product produced by them?
Arrange the following steps of sewage treatment in correct sequence. A. Degradation of dissolved organic matter. B. Sequential filtration. C. Digestion of activated sludge D. Sedimentation in primary settling tank
During the treatment of sewage of towns and cities, biogas is produced in
Activated sludge is formed in
Ganga Action Plan and Yamuna Action Plan were initiated by Indian Government to save
Biogas produced in sewage treatment plant has
Source of antibiotic Streptomycin is
Streptomycin was discovered by
In biological treatment, when the BOD of sewage is reduced to normal level, the effluent is passed into
During sewage treatment, the primary treatment includes
Choose the correct statement with respect to sewage treatment.
Yeasts are used for A. Toddy fermentation B. Bread making C. Ethanol production D. Production of beverages
Identify the organisms that produces acid which is responsible for coagulation of milk and partially digesting milk proteins.
Identify the incorrect statement regarding organic farming.
Secondary treatment in sewage treatment plant aims to:
Yeast is involved in production of all of the following except:
Cyclosporin A is produced by which of the following micro-organism?
A fungus responsible for producing citric acid is:
Which of the following is an important biofertilizer in paddy fields?
What does high Biochemical Oxygen Demand in a water body indicate?
In which of the following step in sewage treatment does bacteria produce biogas?
Study the table given below and identify A and B. Type of organism Scientific name Commercial product Bacterium A Swiss cheese B Acetobacter aceti Acetic acid
Choose the wrong match.
Match the Column I with Column II. Column I Column II A Penicillium notatum i Cyclosporin A production B Aspergillus niger ii Antibiotics production C Monascus purpureus iii Statins production D Trichoderma polysporum iv Citric acid production
Which amongst the following is undistilled alcoholic beverages?
Which amongst the following is not a part of the secondary treatment in a sewage treatment plant?
All are the uses of Saccharomyces cerevisiae except:
Choose the incorrect match.
Flocs are formed during
Which among the following beverages are produced on an industrial scale without distillation process?
In sewage treatment, sludge is collected from
Biogas contains :
Which of the given household product is obtained by using only bacteria?
Cyclosporin-A is used as an immunosuppressive agent. It is produced by
A bioactive molecule is used as an immunosuppressive agent in organ transplant patients produced by the fungus Trichoderma polysporum .
Biocontrol agent Bacillus thuringiensis (Bt) is used to control
What are the chemical substances produced by some microbes that can kill or retard the growth of other microbes called?
Which of the following is not an antibiotic produced by bacteria?
Match the following and choose the correct combination from the options given : Column I Column II (A) Escherichia coli (i) ‘nif’ gene (B) Rhizobium meliloti (ii) Breakdown of hydrocarbons of crude oil (C ) Bacillus thuringiensis (iii) Human insulin production (D) Pseudomonas putida (iv) Biocontrol of fungal disease (v) Biodegradable insecticide A B C D 1. iii i v iv 2. i ii iii iv 3. ii i iii iv 4. iii i v ii
Dough kept overnight in warm weather becomes soft and spongy because of
Select the correct sequence of events in a sewage treatment process. A. Passage of primary effluent into large aeration tanks for mechanical agitation and pumping of air. B. Passage of effluent into the settling tank and formation of activated sludge. C. Physical removal of particles through filtration and sedimentation. D. Release of effluent from the secondary treatment plant into natural water bodies. E. Growth of useful aerobic microbes into flocs which significantly reduce the BOD.
Which of the following is commonly called baker’s yeast?
In the process of treating sewage and industrial wastewaters using air and a biological floc, the sediment obtained is called :
Which vitamin is added during curding of milk?
Milk is changed into curd by
The free-living nitrogen-fixing bacteria found in soil are
The principle agent of alcoholic fermentation and bread making is :
Cyclosporin A is commercially produced by using
A patient has developed a clot in his heart. Which of these enzymes can be used to bust this clot?
When Alexander Fleming was working, penicillin was accidentally discovered with the culture of
Baculoviruses based insecticide has been found to eliminate
The technology of biogas production from cow-dung was developed in India largely due to efforts of
C 2 H 5 OH is commercially produced through a particular species of
The correct sequence in biogas production is
Choose the correct definition of biocontrol.
BOD refers to :
The residue left after methane production from cattle dung is
Match the items in ‘Column A’ and ‘Column B’ and choose the correct answer. Column – A Column – B (A) Koel i. Methanobacterium (B) Mycorrhiza ii. Trichoderma (C) Biological control iii. Brood parasitism (D) Biogas iv. Glomus A B C D 1. ii iv iii i 2. iii iv ii i 3. iv i ii iii 4. iii ii i iv
An yeast is used for the production of which of the following bio-active compound?
Match column I with column II Column I Column II a. Pusa swarnim i. High yielding and disease resistant variety of wheat b. Kalyan Sona ii. Variety of Brassica resistant to white rust c. Trichoderma polysporum iii. Statins d. Monascus purpureus iv. Cyclosporin A a b c d 1. ii i iv iii 2. i ii iii iv 3. i ii iv iii 4. ii iii ii iv
Match column I with column II Column I Column II a. Pusa swarnim i. High yielding and disease resistant variety of wheat b. Kalyan Sona ii. Variety of Brassica resistant to white rust c. Trichoderma polysporum iii. Statins d. Monascus purpureus iv. Cyclosporin A a b c d 1. ii i iv iii 2. i ii iii iv 3. i ii iv iii 4. ii iii ii iv
Statins, a bioactive molecule, inhibits the enzyme responsible for synthesis of
