Microbial Biotechnology MCQs | Page - 1

Dear candidates you will find MCQ questions of Microbial Biotechnology here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Mr. Dubey • 52.30K Points
Coach

Q. The precursor for penicillin-G biosynthesis during fermentation process is

(A) Phenylacetic acid
(B) Phenoxyacetic acid
(C) Acetic acid
(D) None of the above
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M

Mr. Dubey • 52.30K Points
Coach

Q. Which of the following eukaryotic organisms has been proven to be of great industrial importance?

(A) Penicillium chrysogenum
(B) Saccharomyces cerevisiae
(C) Bacillus subtilis
(D) Streptomyces griseus
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M

Mr. Dubey • 52.30K Points
Coach

Q. Oils rich in PUFA are not desirable for biodiesel production because

(A) They form epoxides in presence of oxygen
(B) They do not form epoxides in presence of oxygen
(C) They have high ignition temperature
(D) They solidify at low temperature
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M

Mr. Dubey • 52.30K Points
Coach

Q. Identify the statement that is not correct

(A) Penicillin fermentation is an aerobic process
(B) Penicillin biosynthesis is affected by phosphate concentration
(C) Lysine stimulates penicillin synthesis
(D) Penicillin production shows a distinct catabolite repression by glucose
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M

Mr. Dubey • 52.30K Points
Coach

Q. Which of the following essential element(s) is/are required as major supplement to enhance the bioremediation of oil spills by the resident bacteria?

(A) Sulfur
(B) Nitrogen and phosphorus
(C) Iron
(D) Carbon
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M

Mr. Dubey • 52.30K Points
Coach

Q. In secondary metabolism, two distinct phases - trophophase and idiophase refer, respectively, to

(A) Growth and production phase
(B) Early and late phase
(C) Primary and secondary metabolism
(D) Lag phase and log phase
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M

Mr. Dubey • 52.30K Points
Coach

Q. During a positive-negative selection process, transformed animal cells expressing . . . . . . . . are killed in presence of ganciclovir in the medium.

(A) Pyruvate kinase
(B) Viral thymidine kinase
(C) Viral serine/threonine kinase
(D) Viral tyrosine kinase
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M

Mr. Dubey • 52.30K Points
Coach

Q. Microbes bring about biological transformation of xenobiotic compounds by

(A) Degradation
(B) Conjugation
(C) Detoxification
(D) All of the above
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Mr. Dubey • 52.30K Points
Coach

Q. A biological process is involved in the . . . . . . . . treatment of industrial effluent.

(A) Primary
(B) Secondary
(C) Tertiary
(D) Quaternary
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M

Mr. Dubey • 52.30K Points
Coach

Q. Which one of the following bioreactor configurations is the basis for a trickling biological filter?

(A) Stirred tank
(B) Packed bed
(C) Air lift
(D) Fluidized bed
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