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:
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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:
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