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

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

Yeasts have been used for the commercial production of all except:

1. Wine

2. Whisky

3. Ethanol

4. Curd

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

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

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

Which of the following food items is produced by fermentation by the microbes?

A. Idli

B. Dosa

C. Toddy

D. Cheese

1. A, B, C, D

2. C, D

3. A, C

4. A, B, C

Which industrial products are synthesized from microbes?

A. Antibiotics

B. Fermented beverages

C. Enzymes and chemicals

D. Bioactive molecules

1. A, C, D

2. A, B, C, D

3. A, C

4. A, B, C

The large vessels for growing microbes on an industrial scale are called:

The gas responsible for puffing-up appearance of dough comes from:

1. Aerobic respiration

2. Fermentation

3. Photosynthesis

4. Photorespiration