Directions for: The questions consist of two statements each, printed as assertion and reason. While answering these questions you are required to choose any one of the following five responses A. If both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion. B. If both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion. C. If the Assertion is true but the Reason is false. D. If both the Assertion and the Reason are false. E. If Assertion is false but Reason is true.
Assertion: Natural selection is the outcome of differences in survival and reproduction among individuals that show variation in one or more traits. Reason: Adaptive forms of a given trait tend to become more common; less adaptive ones become less common or disappear.A) A
B) B
C) C
D) D
E) E
Correct Answer: A
Solution :
Darwin believed that small and useful variations make some species more adapted to the changing environment than others. Out of heterogenous population, nature selects the best adapted individuals while less fit or unfit are rejected because the unfit ones fail to survive and reproduce. This was called natural selection by Darwin and survival of the fittest by Wallace.
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