Biotechnology - Transgenic Plant
Exercise :: Transgenic Plant - Section 1
- Transgenic Plant - Section 1
41. |
Resistance to glyphosphate in transgenic petunia plants has been developed by the transfer of |
A. |
gene for EPSPS(5-enol-pyruvyl shikimat 3 phosphate synthase) | B. |
gene for ALS (acetolactate synthase) | C. |
gene for GS (glutamine synthase) | D. |
any of the above |
Answer: Option A
Explanation:
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42. |
Which of the following compounds has been produced in transgenic plants to improve tolerance to salt stress and water deficit? |
A. |
Sucrose | B. |
Mannitol | C. |
Nicotine | D. |
Octopine |
Answer: Option B
Explanation:
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43. |
Expression of antisense RNA in transgenic plants is a general method used to |
A. |
activate the expression of all genes in a biochemical pathway | B. |
eliminate the expression of all genes in a biochemical pathway | C. |
block the expression of virus coat protein genes | D. |
reduce or eliminate the expression of individual genes |
Answer: Option D
Explanation:
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44. |
Tomatoes exhibiting delayed ripening express antisense RNA against |
A. |
glycerol 1 phosphate acyl transferase | B. |
polygalactouranase | C. |
ACC deaminase | D. |
sucrose phosphate synthase gene |
Answer: Option C
Explanation:
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45. |
Given the DNA sequence ATTAAGGC, which sequence would be used by researchers as an antisense molecule? |
A. |
AUUAAGGC | B. |
UAAUUCCG | C. |
CGGAATTA | D. |
TAATTCCG |
Answer: Option A
Explanation:
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