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 procedure has a great application in strain improvement?
Anonymous Quiz
48%
rDNA Technology
23%
Conjugation
23%
Transformation
6%
Transduction
Who isolated a biotin-requiring, Corynebacterium glutamicum?
Anonymous Quiz
31%
Kinoshita
62%
Nakayama
0%
Nakao
8%
Demain
Which of the following secondary metabolites does not prevent the synthesis of its own?
Anonymous Quiz
29%
Chloramphenicol
23%
Puromycin
45%
Penicillin
3%
Streptomycin
Which of the following cannot induce mutations?
Anonymous Quiz
26%
X-rays
31%
Gamma rays
17%
Bromine
26%
Chlorine
1
Which of the following strain is useful for diabetes treatment?
Anonymous Quiz
0%
Interferon
78%
Insulin
13%
Interleukin
9%
Glucagon
Which of the following control system involves the control of the pathway by more than one end product?
Anonymous Quiz
8%
Concerted
62%
Cooperative
12%
Cumulative
19%
Sequential
Which of the following is absent in fermentation media?
Anonymous Quiz
17%
Carbon
46%
Nitrogen
20%
Agar
17%
Water
Which of the following raw material is useful for the production of alcohol?
Anonymous Quiz
12%
Waste liquor
62%
Molasses
21%
Starch
6%
Alkanes
Which of the following is not the constituent of Beet molasses?
Anonymous Quiz
24%
Biotin
36%
Thiamine
33%
Inositol
6%
Cobalamin
Which of the following is a by-product after starch extraction from maize?
Anonymous Quiz
20%
Blackstrap molasses
34%
Hydrol molasses
37%
Corn steep liquor
9%
Beet molasses
Which of the following is used for glutamic acid production?
Anonymous Quiz
20%
Sucrose
51%
Hydrolyzed cassava starch
20%
Oleic acid
9%
Corn steep
Grapes are used in the production of beer.
Anonymous Quiz
78%
True
22%
False
The sources of complex carbohydrates are wood wastes, straws, cobs, beet molasses, hydrol molasses.
Anonymous Quiz
81%
True
19%
False
Which of the following is a by-product after starch extraction from maize?
Anonymous Quiz
16%
Blackstrap molasses
29%
Soybean
55%
Corn steep liquor
0%
Peptones
Nitrogen sources used in media formulation are following except ______
Anonymous Quiz
8%
Peptones
33%
Soybean meal
28%
Pharmamedia
31%
Hydrocarbons
Which of the following nitrogen source is used in penicillin production?
Anonymous Quiz
18%
Peanut granules
41%
Corn steep liquor
29%
Phamamedia
12%
Soybean meal