| Assertion (A): | Those who are better fit in an environment, leave more progeny than others. |
| Reason(R): | The fitness, according to Darwin, refers ultimately and only to reproductive fitness. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is False |