Assertion: | Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. |
Reason: | Natural selection is a key mechanism of evolution. |
1. | (A) is True but (R) is False |
2. | (A) is False but (R) is True |
3. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
4. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
Assertion (A): | Pest species evolve pesticide resistance via natural selection. |
Reason (R): | After exposure to pesticides, some pests develop mutations that enable them to survive and leave progeny. |
1. | (A) is False but (R) is True. |
2. | (A) is True but (R) is False. |
3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |