Animal Biotechnology MCQ Questions & Answers

61

Which of the following statement is not true for Xanthine-guanine phosphoribosyl transferase (XGPRT)?

A) It is an enzyme of endogeneous pathway B) Derived from E. coli it serve as reporter gene C) Convert hypoxanthine into IMP D) Convert guanine into GMP

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Answer & Solution

Answer: Option A

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62

Production of monoclonal antibodies by hybridoma technology requires

A) Splenocytes B) Osteocytes C) Hepatocytes D) Thymocytes

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Answer & Solution

Answer: Option A

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63

Choose the correct combination of True (T) and False (F) statements about microcarriers used in animal cell culture.
P. Higher cell densities can be achieved using microcarriers.
Q. Microcarriers increase the surface area for cell growth.
R. Microcarriers are used for both anchorage- and non-anchorage-dependent cells.
S. Absence of surface charge on microcarriers enhances attachment of cells.

A) P-T; Q-F; R-T and S-F B) P-T; Q-T; R-F and S-F C) P-F; Q-F; R-T and S-T D) P-F; Q-T; R-F and S-T

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Answer & Solution

Answer: Option B

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64

The bacteria known to be naturally competent for transformation of DNA is

A) E. coli B) Bacillus subtilis C) Mycobacterium tuberculosis D) Yersinia pestis

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Answer & Solution

Answer: Option A

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65

Which of the following DNA Pol has proofreading property in animal cells?

A) DNA Pol α B) DNA Pol δ C) DNA Pol β D) All of the above

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Answer & Solution

Answer: Option B

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66

When electroporation is used for introducing DNA into mammalian cell
P. A carrier for DNA is not required.
Q. The lipid bilayer (membrane) interacts with an electric pulse to generate permeation sites.
R. The viability of the cell becomes approximately zero percent.
S. The first step involves absorption of DNA on the cell membrane.

A) P, Q B) Q, R C) P, S D) Q, S

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Answer & Solution

Answer: Option A

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67

Positional cloning approach exploits information

A) On the location of the gene in the genome B) On the status of its expression C) About the position of promoter relative to MCS D) About the position of the restriction sites

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Answer & Solution

Answer: Option A

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68

Determine the correctness or otherwise of the following Assertion [A] and the Reason [R].
Assertion [A]: Embryonic stem cells are suitable for developing knockout mice.
Reason [R]: Homologous recombination is more frequent in embryonic stem cells than that in somatic cells.

A) Both [A] and [R] are false B) Both [A] and [R] are true, and [R] is the correct reason for [A] C) Both [A] and [R] are true, but [R] is not the correct reason for [A] D) [A] is true, but [R] is false

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Answer & Solution

Answer: Option B

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69

Gene targeting is done on an

A) Sperm cell B) Egg cell C) Fertilized ovum D) Early embryonic cell

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Answer & Solution

Answer: Option D

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70

Detection of which hormone is the commonly used test for pregnancy in humans?

A) LH B) FSH C) Chorionic gonadotropin D) Estrogen

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Answer & Solution

Answer: Option C

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Animal Biotechnology MCQ Questions & Answers | Biotechnology