NEET UG BIOLOGY MCQ: EVOLUTION

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Analyzing +4 | -1

Assertion: Whales and mammals share
similarites in the pattern of bones of forelimbes.

Reason: These organisms developed along
different directions due to adaptions to different
needs.

View answer and explanation

Correct option: A

If both Assertion and Reason are true and
Reason is the correct explanation of Assertion

Option A is correct because both the assertion and reason are true, and the reason correctly explains the assertion. Whales and mammals share similarities in bone patterns due to divergent evolution from a common ancestor.

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The main point of Darwin’s theory is Which one of the following is not a vestigial structure in Homo sapiens? The brain capacities of Homo habilis were Assertion (A): In mammals the forelimbs perform different functions.

Reason (R): The forelimbs in different mammals consist of different sets of bones. Identify the phenomenon in which the members of a species do not interbreed with the members of other species or same species Assertion: Organic compounds first evolved in earth required for origin of life were protein and nucleic acid.
Reason: All life forms were in water environment only.