- 1(current)
Q. No.Read the following statements carefully.
Statement A: Increased agricultural yields have been partly due to the use of better management practices and use of agrochemicals, but mainly due to the use of improved crop varieties.
Statement B: GMOs increased reliance on chemical pesticides by producing pesticide-resistant crops.
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Statement A is correct, B is incorrect
4. Statement A is incorrect, B is correct
Statement A: Increased agricultural yields have been partly due to the use of better management practices and use of agrochemicals, but mainly due to the use of improved crop varieties.
Statement B: GMOs increased reliance on chemical pesticides by producing pesticide-resistant crops.
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Statement A is correct, B is incorrect
4. Statement A is incorrect, B is correct
Subtopic: Â Intro to Agri Applications |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion(A): Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with the roots of all cereal and pulse crops.
Reason(R): A gene incorporated in the bacterial chromosomal genome gets automatically transferred to the crop with which the bacterium is associated.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason(R): A gene incorporated in the bacterial chromosomal genome gets automatically transferred to the crop with which the bacterium is associated.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Â Intro to Agri Applications |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion(A): A gene from Bacillus thuringiensis is incorporated in plant genome to increase their yield.
Reason(R): Bacillus thuringiensis has Bt toxin producing gene, which kills the larva of insects.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason(R): Bacillus thuringiensis has Bt toxin producing gene, which kills the larva of insects.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Â Intro to Agri Applications |Â Bt Crops |
 65%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2024 GoodEd Technologies Pvt. Ltd.