NEET UG BIOLOGY MCQ: EVOLUTION

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[A]: Man's most characteristic feature in which it differs from all its primate relatives is his large brain and high intelligence.

[R]: A lumbar curve is absent in man which is present in apes.

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Correct option: C

A is true but R is false

Option C is correct. While a large brain and high intelligence are characteristic of humans, the absence of a lumbar curve is false; humans *do* have a lumbar curve.

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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.