Modern detergents contain enzyme preparations of

(1) acidophiles

(2) alkaliphiles

(3) thermoacidophiles

(4) thermophiles

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
 58%
NEET - 2008
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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 |
 83%
From NCERT
NEET - 2015
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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 |
 82%
From NCERT
NEET - 2017
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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 |
 84%
From NCERT
NEET - 2016
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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 |
 90%
From NCERT
NEET - 2016
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A. Saccharomyces  cerevisiae i. Production of immunosuppressive agents
B. Monascus purpureus ii. Ripening of Swiss Cheese
C. Trichoderma polysporum iii. Commercial production of ethanol
D. Propionibacterium sharrmanii    iv. Production of blood-cholesterol lowering agents      

Codes

A     B     C     D
1.   iii iv i ii
2. iv iii ii i
3. iv ii i iii
4. iii i iv ii
Subtopic:  Chemistry of Fermented Beverages | Microbes in Household Products | Chemicals, Enzymes & Other Bioactive Molecules |
 86%
From NCERT
NEET - 2015
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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. Hydrogen sulphide and CO2

Subtopic:  Microbes in Sewage Treatment |
 92%
From NCERT
NEET - 2014
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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 |
 95%
From NCERT
NEET - 2013
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Monascus purpureus is a yeast used commercially in the production of

(1) ethanol

(2) streptokinase for removing clots from the blood vessels.

(3) citric acid

(4) blood cholesterol lowering statins.

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
 87%
From NCERT
NEET - 2012
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Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition?

(1) Azotobacter

(2) Aspergillus

(3) Glomus

(4) Trichoderma

Subtopic:  Microbes as Biofertilizer |
 70%
From NCERT
NEET - 2012
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