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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