Biotechnology - Transgenic Plant

Exercise :: Transgenic Plant - Section 1

  • Transgenic Plant - Section 1
46. 

Which of the following gene detoxify herbicide bronoxynil?

A. Nitrilase
B. Glutathione S-transferase (GST)
C. Phosphinothricin acetyl transferase
D. All of these

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

47. 

For developing herbicide resistance in transgenic plants which of the following approach/(es) is/are used?

A. Target molecule is made insensitive to herbicide
B. Target protein is overproduced
C. A pathway should be introduced that detoxify the herbicide
D. All of the above

Answer: Option D

Explanation:

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48. 

Which of the following is not a characteristic of a transgenic crop?

A. herbicide resistance
B. Bt insect resistance toxin
C. increased methionine content
D. none of these

Answer: Option D

Explanation:

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49. 

Phosphinothricin acetyl transferase is encoded by

A. gene bxn in Klebsiella pneumoniae
B. bar gene in Streptomyces spp
C. both (a) and (b)
D. none of these

Answer: Option B

Explanation:

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50. 

Reducing the expression of pectin methylesterase (PME) has resulted in

A. plants with resistance to bacteria and fungi
B. tomato juice that has higher viscosity
C. tomato fruit that last longer before they become rotten
D. tomato fruit that will not ripen

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.