Modern detergents contain enzyme preparations of

(1) acidophiles

(2) alkaliphiles

(3) thermoacidophiles

(4) thermophiles

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
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High value of BOD (Biochemical Oxygen Demand) indicates that

(1) Water is pure

(2) water is highly polluted

(3) water is less polluted

(4) Consumption of organic matter in the water is higher by the microbes

Subtopic:  Microbes in Sewage Treatment |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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Which of the following in sewage treatment removes suspended solids?

(1) Tertiary treatment

(2) Secondary treatment

(3) Primary treatment

(4) Sludge treatment

Subtopic:  Microbes in Sewage Treatment |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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Which of the following is correctly matched for the product produced by them?

(1) Acetobacter aceti : Antibiotics

(2) Methanobacterium : Lactic acid

(3) Penicullium notatum : Acetic Acid

(4) Saccharomyces cerevisiae : Ethanol

Subtopic:  Chemistry of Fermented Beverages |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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NEET 2021 - Achiever Batch - Aryan Raj Singh

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Match Column I with Column II and select the correct option using the codes given below

Column I

Column II

A. Citric acid

1. Trichoderma

B. Cyclosporin

2. Clostridium

C. Statins

3. Aspergillus

D. Butyric acid

4. Monascus

Codes

 

A    

B      

C      

D

(1)   

4

(2)

2

(3)

3

(4)

2

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules | Microbes in Biocontrol Agent |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Which of the following is wrongly matched in the given table?

 

Microbe

Product

Application

(1)

Monascus purpureus

Statins

Lowering of blood cholesterol

(2)

Streptococcus

Streptokinase

Removal of clot from blood vessel

(3)

Clostridium butylicum

Lipase

Removal of oil stains

(4)  

Trichoderma polysporum  

Cyclosporin-A   

Immunosuppressive drug

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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A. Saccharomyces  cerevisiae

1. Production of immunosuppressive agents

B. Monascus purpureus

2. Ripening of Swiss Cheese

C. Trichoderma polysporum

3. Commercial production of ethanol

D. Propionibacterium sharrmanii   

4. Production of blood-cholesterol lowering agents      

Codes

 

A    

B    

C    

D

(1)  

3

4

1

2

(2)

4

3

2

1

(3)

4

2

1

3

(4)

3

1

4

2

 

Subtopic:  Chemistry of Fermented Beverages | Microbes in Household Products | Chemicals, Enzymes & Other Bioactive Molecules |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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Difficulty Level:


What gases are produced in anaerobic sludge digesters?

(1) Methane and CO2 only

(2) Methane, Hydrogen sulphide and CO2

(3) Methane, hydrogen sulphide and O2

(4) Hyderogen sulphide and CO2

Subtopic:  Microbes in Sewage Treatment |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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A good producer of citric acid is

1. Aspergillus

2. Pseudomonas

3. Clostridium

4. Saccharomyces

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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Difficulty Level:


During sewage treatment, biogases are produced, which include

1. methane, hydrogen sulphide and carbon dioxide

2. methane, oxygen and hydrogen sulphide

3. hydrogen sulphide, methane and sulphur dioxide

4. hydrogen sulphide, nitrogen and methane

Subtopic:  Microbes in Sewage Treatment |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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Difficulty Level: