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 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
35%
Streptomyces organonensis
38%
Penicillium chrysogenum
27%
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
47%
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
The fermentation media should be free from _________
Anonymous Quiz
18%
Precursors
34%
Inhibitors
37%
Toxicity
11%
Defoamers
The fermentation media should not allow high yield of undesired products.
Anonymous Quiz
83%
True
17%
False
Which of the following acts as ?- Amylase inducer?
Anonymous Quiz
22%
Yeast mannans
44%
Starch
19%
Cellulose
14%
Pectin
2
In which of the following way, the medium may not influence oxygen availability?
Anonymous Quiz
34%
Fast metabolism
31%
Rheology
28%
Antifoams
6%
Elicitors
Maltose is inducer for an enzyme ___________
Anonymous Quiz
14%
Pectinases
46%
Proteases
34%
Pullulanase
6%
Nitralase
Which of the following is not an inhibitor used in fermentation?
Anonymous Quiz
25%
Bromide
39%
Ethionine
21%
Alkali metal
14%
Alkali earth metal
When more than five variables are to be accessed ______________ design can be used.
Anonymous Quiz
11%
Stowe-Mayer
61%
Greasham-Inamine
7%
Bull-Hicks
21%
Plackett-Burman
What do H and L denote in Plackett-Burman method?
Anonymous Quiz
33%
Height and Length
41%
High and Low
19%
Half and Life
7%
Hearing and Listening
1
Animal cells are used for the production of _____________
Anonymous Quiz
17%
Interferons
34%
Albumin
29%
Collagen
20%
Protein-free media
Which of the following is not the replacement in serum-free media?
Anonymous Quiz
20%
Insulin
27%
Albumin
37%
Antibody
17%
Transferrin
Hybridoma technology is used in the production of __________
Anonymous Quiz
21%
Polyclonal Antibodies
18%
Antigens
56%
Monoclonal Antibodies
6%
Insulin
Which scientist(s) demonstrated the growth of Chinese Hamster cells in protein-free media?
Anonymous Quiz
20%
Hamilton and Ham
52%
Plackett and Burman
20%
Stowe and Mayer
8%
Bull and Hicks