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:

Which of the following organisms is used in the production of beverages?

1. Penicillium notatum

2. Saccharomyces cerevisiae

3. Aspergillus niger

4. Clostridium butylicum

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

1. Aerobic respiration

2. Fermentation

3. Photosynthesis

4. Photorespiration

Which of the following antibiotics was discovered first?
1. Streptomycin
2. Neomycin
3. Erythromycin
4. Penicillin

Acetic acid is produced by a:

1. Fungus

2. Bacterium

3.  Yeast

4.  Virus

Citric acid is produced by:

(1) Acetobacter aceti (a bacterium)

(2) Yeast (a fungus)

(3) Aspergillus niger (a fungus)

(4) Streptococcus (a bacterium)

Which of the following bacteria has a role in removing clots from the blood vessels?

1. Bacillus thuringiensis

2. Clostridium butylicum

3. Streptococcus

4. Lactobacillus

Statins used for lowering blood-cholesterol level are extracted from:

(1) Algae

(2) Bacteria

(3) Virus

(4) Yeast

The bioactive molecule cyclosporin A is used in:

1. Whooping cough

2. Diphtheria

3. Leprosy

4. Organ-transplant patients