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 is the best for gibberellins production?
Anonymous Quiz
14%
Ammonium salt
29%
Peptones
34%
Distillersโ€™ solubles
23%
Corn-steep liquor
Which of the following is a raw material for butirosin production?
Anonymous Quiz
24%
Ammonium salt
17%
Pharmamedia
55%
Pancreatic digest of gelatin
3%
Dried beef blood
The organism useful for fermentation process are ______
Anonymous Quiz
74%
Bacteria
16%
Virus
11%
Protozoa
0%
Algae
All microorganisms require minerals for growth and metabolism.
Anonymous Quiz
72%
True
28%
False
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
31%
Amino acids
41%
Fatty acids
13%
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
57%
Zn
21%
Fe
0%
Co
Which of the following growth factor is used in vinegar production?
Anonymous Quiz
28%
Calcium Carbonate
44%
Calcium Phosphate
28%
Calcium Pantothenate
0%
Calcium Hydroxide
Iron, Zinc, Copper influence the production of ____________
Anonymous Quiz
22%
Protease
50%
Neomycin
22%
Citric acid
6%
Penicillin
Which of the following is not the product of fermented fruit?
Anonymous Quiz
12%
Wine
35%
Whisky
35%
Vinegar
18%
Beer
Which of the following reactor is best for the production of vinegar?
Anonymous Quiz
14%
Batch reactors
50%
Fed-Batch reactors
29%
Continuous reactors
7%
Submerged reactors
Which of the following is not a non-essential mineral?
Anonymous Quiz
59%
Molybdenum
19%
Iron
7%
Calcium
15%
Cobalt
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Which of the following additives are required for a better yield of the desired product?
Anonymous Quiz
11%
Precursors
59%
Regulators
4%
Inhibitors
26%
Growth Factors
Which of the following is used as the precursor for Griseofulvin production?
Anonymous Quiz
4%
Cyanides
48%
Chloride
26%
?- Iononones
22%
Anthranilic acid
Which of the following is used in the preparation of Nikkomycins?
Anonymous Quiz
33%
Streptomyces organonensis
38%
Penicillium chrysogenum
29%
Streptomyces tendae
0%
Lactobacillus bulgaricus
Which of the following is used as the precursor of preparation of Cyclosporin C?
Anonymous Quiz
28%
L โ€“ Threonine
34%
Cyanides
34%
Phenoxy acetic acid
3%
D- Threonine
Cyanide is used as a precursor for production of ________
Anonymous Quiz
21%
Carotenoids
39%
Vitamin B12
36%
Riboflavin
3%
Vitamin B2
Who recognized the foaming patterns in fermentation?
Anonymous Quiz
11%
Lee
43%
Hall
32%
Tyman
14%
Solomons