NEET UG BIOLOGY MCQ: EVOLUTION

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[A]: In some organisms the end stages of the ancestral development pattern are dropped, as in case of neoteny.

[R]: In some animals, some middle stages are dropped in the descendents.

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Correct option: B

Both A and R are true and R is not the correct explanation of A

Option B (Both A and R are true and R is not the correct explanation of A) is correct because both the assertion and reason are true statements about evolutionary developmental biology, but the reason does not explain the assertion.

More Questions from EVOLUTION

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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.