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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Which of the following trace element influence the production of Mitomycin?
Anonymous Quiz
10%
Zn
48%
Fe
38%
Mn
3%
Cu
Which of the following is an example of a chelating agent?
Anonymous Quiz
16%
Magnesium
78%
EDTA
6%
Ca
0%
Glycerol
The _____________ are not the growth factors.
Anonymous Quiz
16%
Vitamins
29%
Amino acids
42%
Fatty acids
13%
Carbohydrates
Chlorine does not appear to play a nutritional role in the metabolism of fungi.
Anonymous Quiz
93%
True
7%
False
Which of the following trace element influence the production of Gentamicin?
Anonymous Quiz
22%
Mn
59%
Zn
19%
Fe
0%
Co
Which of the following growth factor is used in vinegar production?
Anonymous Quiz
29%
Calcium Carbonate
46%
Calcium Phosphate
25%
Calcium Pantothenate
0%
Calcium Hydroxide
Iron, Zinc, Copper influence the production of ____________
Anonymous Quiz
23%
Protease
52%
Neomycin
23%
Citric acid
3%
Penicillin
Which of the following is not the product of fermented fruit?
Anonymous Quiz
12%
Wine
36%
Whisky
36%
Vinegar
15%
Beer
Which of the following reactor is best for the production of vinegar?
Anonymous Quiz
15%
Batch reactors
48%
Fed-Batch reactors
30%
Continuous reactors
7%
Submerged reactors
Which of the following is not a non-essential mineral?
Anonymous Quiz
62%
Molybdenum
19%
Iron
8%
Calcium
12%
Cobalt
1
Which of the following additives are required for a better yield of the desired product?
Anonymous Quiz
12%
Precursors
62%
Regulators
4%
Inhibitors
23%
Growth Factors
Which of the following is used as the precursor for Griseofulvin production?
Anonymous Quiz
5%
Cyanides
45%
Chloride
27%
?- Iononones
23%
Anthranilic acid
Which of the following is used in the preparation of Nikkomycins?
Anonymous Quiz
30%
Streptomyces organonensis
39%
Penicillium chrysogenum
30%
Streptomyces tendae
0%
Lactobacillus bulgaricus
Which of the following is used as the precursor of preparation of Cyclosporin C?
Anonymous Quiz
25%
L – Threonine
36%
Cyanides
36%
Phenoxy acetic acid
4%
D- Threonine
Cyanide is used as a precursor for production of ________
Anonymous Quiz
22%
Carotenoids
38%
Vitamin B12
38%
Riboflavin
3%
Vitamin B2
Who recognized the foaming patterns in fermentation?
Anonymous Quiz
11%
Lee
44%
Hall
33%
Tyman
11%
Solomons
Which of the following is not a defoamer?
Anonymous Quiz
17%
Amide waxes
17%
Oleic acid
45%
Organic phosphates
21%
Propanoic acid
The antifoaming agents should not cause any problems in the extraction and purification of the product.
Anonymous Quiz
87%
True
13%
False
The fermentation media should be free from _________
Anonymous Quiz
17%
Precursors
34%
Inhibitors
37%
Toxicity
11%
Defoamers
The fermentation media should not allow high yield of undesired products.
Anonymous Quiz
82%
True
18%
False