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Q. No.The biggest advantage of growing Bt cotton instead of non-Bt varieties is:
| 1. | reductions in pesticides to be sprayed on a crop and the ecological benefits which stem from that. |
| 2. | increased yield of cotton due to effective control of three types of bollworms |
| 3. | Reduction in predators which help in controlling the bollworms by feeding on larvae and eggs of bollworm |
| 4. | Potential reduction in the cost of cultivation |
Subtopic: Â Bt Crops |
 55%
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Read the following statements regarding RNAi.
Of the above statements
1. Only statement (A) is incorrect
2. Both (B) & (C) are incorrect
3. Only (B) is correct
4. Both (A) & (C) are correct
| (A) | It is a method of cellular defense in all prokaryotic organisms. |
| (B) | This method has been used to make nematode resistant tobacco plants. |
| (C) | It is a post translational method of silencing of genes. |
1. Only statement (A) is incorrect
2. Both (B) & (C) are incorrect
3. Only (B) is correct
4. Both (A) & (C) are correct
Subtopic: Â Bt Crops |Â Interference RNA Tech |
From NCERT
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Mark the incorrect statement.
| 1. | Norman Borlaug is considered as father of green revolution |
| 2. | Green revolution leads to enhanced production of wheat and rice |
| 3. | Techniques used during green revolution led to tripling of the yield |
| 4. | Use of biofertilizers, biopesticides was promoted heavily during green revolution |
Subtopic: Â Intro to Agri Applications |Â Bt Crops |
 52%
From NCERT
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Q. No.
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