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Q. No.Consider the given two statements:
| Assertion (A): | Variations on which natural selection acts, arise as a result of random mutations. |
| Reason (R): | A new variation may, or may not, be adaptive. |
| 1. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 2. | Both (A) and (R) are True and (R) correctly explains (A). |
| 3. | (A) is False and (R) is also False. |
| 4. | (A) is True but (R) is False. |
Subtopic: Darwin's Theory |
55%
Level 3: 35%-60%
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Which of the following is not true about Darwin’s theory of natural selection?
| 1. | The survival and reproduction of organisms depend on inherited traits that suit their environment. |
| 2. | Populations exhibit variation in traits, and individuals with advantageous traits reproduce more. |
| 3. | Fitness, in Darwin’s sense, refers to the reproductive success of organisms in a given environment. |
| 4. | Natural selection leads to the creation of new traits that are better adapted to changing environments. |
Subtopic: Darwin's Theory |
Level 3: 35%-60%
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Q. No.
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