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Q. No.Consider the given two statements:
| Assertion (A): | Evolution by natural selection works best on a population having no variation. |
| Reason (R): | A population having no variation always reproduces exponentially. |
| 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 but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Biological Evolution | Summary |
74%
From NCERT
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Natural selection is:
| 1. | The process by which traits are inherited through acquired characteristics. |
| 2. | The differential survival and reproduction of individuals due to differences in phenotype. |
| 3. | The random distribution of alleles during gamete formation. |
| 4. | The migration of individuals between populations leading to gene flow. |
Subtopic: Biological Evolution |
62%
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Q. No.
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