A patient brought to a hospital with myocardial infarction is normally immediately given:

(1) Penicillin

(2) Streptokinase

(3) Cyclosporin-A

(4) Statins

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
 78%
From NCERT
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Ethanol is commercially produced through a particular species of:

(1) Aspergillus

(2) Saccharomyces

(3) Clostridium

(4) Trichoderma

Subtopic:  Chemistry of Fermented Beverages |
 95%
From NCERT
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Which of the followings is mainly produced by the activity of anaerobic bacteria on sewage?

(1) Marsh gas

(2) Laughing gas

(3) Propane

(4) Mustard gas

Subtopic:  Microbes in Sewage Treatment |
 87%
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Which one of the following is not a biofertilizer?

(1) Mycorrhiza

(2) Agrobacterium

(3) Rhizobium

(4) Nostoc

Subtopic:  Microbes as Biofertilizer |
 78%
From NCERT
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Consider the following statements (A-D) about organic farming:

(A) Utilizes genetically modified crops like Bt cotton

(B) Uses only naturally produced inputs like compost

(C) Does not use pesticides and urea

(D) Produces vegetables rich in vitamins and minerals

Which of the above statements are correct?

(1) B, C and D

(2) C and D only

(3) B and C only

(4) A and B only

Subtopic:  Microbes in Biocontrol Agent |
From NCERT
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Organic farming includes:

(1) Use of fertilizers and pesticides of biological origin

(2) IPM (integrated Pest Management)

(3) Locally developed pest resistant varieties

(4) All are correct

Subtopic:  Microbes in Biocontrol Agent |
 86%
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Which of the following enzymes is not used in making detergent?

(1) Peptidase

(2) Cellulase

(3) Amylase

(4) Lipase

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
 58%
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Which of the following statements about mycorrhizae is false?

I. In ectomycorrhizae, association between the fungus and plant is less intimate than in endomycorrhizae
II. The mycorrhizal association of fungus and the plant may have had importance in the evolution of land plant
III. The mycorrhizal association is a mutualistic symbiosis
IV. Fungal partner is associated with the only roots of the higher plants (like angiosperms)
V. Only advanced modern plants such as angiosperms possess mycorrhizae

1. Only V

2. Only IV

3. Only I and III

4. Only II and V

Subtopic:  Microbes as Biofertilizer |
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The advantage the fungi derive from mycorrhizal association with plants:

(1) Shelter + Nutrients

(2) Water from soil

(3) Minerals from soil

(4) Tolerance to salinity

Subtopic:  Microbes as Biofertilizer |
 65%
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Enzyme which has the fibrinolytic effect is:

(1) Protease

(2) Amylase

(3) Lipase

(4) Streptokinase

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
 55%
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