Which one of the following useful organisms is not a part in production of curd/yoghurt?

(1) S. thermophilus

(2) Lactobacillus bulgaricus

(3) Acetobactor aceti

(4) Streptococcus lactis

Subtopic:  Microbes in Household Products |
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Which one is used/regarded as a biofertilizer?

1. An association between pteridophytes and cyanobacteria Anabaena

2. An association between gymnosperms and Nostoc

3. An association between legume and Rhizobium

4. All of the above

Subtopic:  Microbes as Biofertilizer |
 77%
From NCERT
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Rice wine is 

(1) beer

(2) wine

(3) cider

(4) sake

Subtopic:  Chemistry of Fermented Beverages |
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Name the blank spaces A, B, C and D given in the following table:

Type of Microbe

Scientific Name

Commercial. Product

Bacterium

A

Lactic acid

Fungus

B

Cyclosporin A

C

Monascus purpureus

Statins

Fungus

Penicillium notatum

D

(1) A - Lactobacillus, B - Trichoderma polysporum, C - Yeast (Fungus), D - Penicillin

(2) A - Lactobacillus, B - Trichoderma polysporum, C - Yeast (Algae), D - Penicillin

(3) A - Lactobacillus, B - Trichoderma polysporum, C - Yeast (Prokaryote), D - Penicillin

(4) A - Lactobacillus, B - Trichoderma polysporum, C - Agaricus (Fungus), D - Penicillin

Subtopic:  Industrial Products, Beverages & Antibiotics | Microbes in Household Products | Chemicals, Enzymes & Other Bioactive Molecules |
 82%
From NCERT
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Name the blank spaces a, b, c and d given in the following table:

Type of Microbe

Scientific Name

Commercial Product

Bacterium

A

Clot enzyme

B

Aspergillus niger

Citric acid

Fungus

Trichoderma polysporum

C

Bacterium

D

Butyric add

(1) A - Streptococcus, B - Fungus, C - Cyclosporin-A, D - Clostridium butylicum

(2) A - Clostridium butylicum, B - Streptococcus, C - Fungus, D - Cyclosporin-A

(3) A - Cyclosporin-A, B - Clostridium butylicum, C - Streptococcus, D - Fungus

(4) A - Fungus, B - Cyclosporin-A, C - Clostridium butylicum, D - Streptococcus

Subtopic:  Microbes in Household Products | Chemicals, Enzymes & Other Bioactive Molecules |
 91%
From NCERT
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Which of the following bacteria help in nitrogen fixation from atmosphere?

A. Azotobacter

B. Rhizobium

C. Azospirillum

D. Lactobacillus

(1) A, C, D

(2) A, B, C, D

(3) B, C, D

(4) A, B, C

Subtopic:  Microbes as Biofertilizer |
 89%
From NCERT
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Yeasts have been used for the commercial production of all except:

(1) Wine

(2) Whisky

(3) Ethanol

(4) Curd

Subtopic:  Chemistry of Fermented Beverages |
 85%
From NCERT
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Methanogens are found in:

A. Ethanol

B. Organic acids

C. Anaerobic sludge

D. Rumen of cattle

(1) A, C, D

(2) C, D

(3) B, C, D

(4) A, B

Subtopic:  Microbes in Production of Biogas |
 77%
From NCERT
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The technology of biogas production in India has been developed by the efforts of:

A. Khadi and Village Industries Commision (KVIC)

B. Indian Council of Agricultural Research (IARI)

C. Indian Agricultural Research Institute (IARI)

D. Indian Council of Medical Research (ICMR)

(1) A, C, D

(2) C, D

(3) A, C

(4) A, B

Subtopic:  Microbes in Production of Biogas |
 83%
From NCERT
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Which of the following cyanobacteria can fix atmospheric nitrogen?

A. Nostoc

B. Anabaena

C. Oscillatoria

D. Yeast

1. A, C, D

2. C, D

3. A, C

4. A, B, C

Subtopic:  Microbes as Biofertilizer |
 94%
From NCERT
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