Multiple Choice Questions - NET, SET, MSc, PhD
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Regular and unique practice MCQs for Section B of CSIR, GATE, GAT-B, ICMR, and DBT. Helpful in various SET, NET, MSc, BSc, Biology exams.

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The organism useful for fermentation process are ______
Anonymous Quiz
74%
Bacteria
15%
Virus
10%
Protozoa
0%
Algae
All microorganisms require minerals for growth and metabolism.
Anonymous Quiz
70%
True
30%
False
Which of the following trace element influence the production of Mitomycin?
Anonymous Quiz
13%
Zn
47%
Fe
37%
Mn
3%
Cu
Which of the following is an example of a chelating agent?
Anonymous Quiz
18%
Magnesium
76%
EDTA
6%
Ca
0%
Glycerol
The _____________ are not the growth factors.
Anonymous Quiz
18%
Vitamins
30%
Amino acids
39%
Fatty acids
12%
Carbohydrates
Chlorine does not appear to play a nutritional role in the metabolism of fungi.
Anonymous Quiz
90%
True
10%
False
Which of the following trace element influence the production of Gentamicin?
Anonymous Quiz
21%
Mn
55%
Zn
24%
Fe
0%
Co
Which of the following growth factor is used in vinegar production?
Anonymous Quiz
31%
Calcium Carbonate
42%
Calcium Phosphate
27%
Calcium Pantothenate
0%
Calcium Hydroxide
Iron, Zinc, Copper influence the production of ____________
Anonymous Quiz
21%
Protease
52%
Neomycin
21%
Citric acid
6%
Penicillin
Which of the following is not the product of fermented fruit?
Anonymous Quiz
11%
Wine
37%
Whisky
34%
Vinegar
17%
Beer
Which of the following reactor is best for the production of vinegar?
Anonymous Quiz
14%
Batch reactors
52%
Fed-Batch reactors
28%
Continuous reactors
7%
Submerged reactors
Which of the following is not a non-essential mineral?
Anonymous Quiz
61%
Molybdenum
18%
Iron
7%
Calcium
14%
Cobalt
1
Which of the following additives are required for a better yield of the desired product?
Anonymous Quiz
11%
Precursors
57%
Regulators
7%
Inhibitors
25%
Growth Factors
Which of the following is used as the precursor for Griseofulvin production?
Anonymous Quiz
4%
Cyanides
50%
Chloride
25%
?- Iononones
21%
Anthranilic acid
Which of the following is used in the preparation of Nikkomycins?
Anonymous Quiz
32%
Streptomyces organonensis
40%
Penicillium chrysogenum
28%
Streptomyces tendae
0%
Lactobacillus bulgaricus
Which of the following is used as the precursor of preparation of Cyclosporin C?
Anonymous Quiz
27%
L – Threonine
37%
Cyanides
33%
Phenoxy acetic acid
3%
D- Threonine
Cyanide is used as a precursor for production of ________
Anonymous Quiz
24%
Carotenoids
38%
Vitamin B12
35%
Riboflavin
3%
Vitamin B2
Who recognized the foaming patterns in fermentation?
Anonymous Quiz
14%
Lee
41%
Hall
31%
Tyman
14%
Solomons
Which of the following is not a defoamer?
Anonymous Quiz
16%
Amide waxes
19%
Oleic acid
45%
Organic phosphates
19%
Propanoic acid
The antifoaming agents should not cause any problems in the extraction and purification of the product.
Anonymous Quiz
88%
True
12%
False