NEET UG BIOLOGY MCQ: EVOLUTION

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Darwin asserted that …A… which are heritable and which makes the resources utilization …B… for few, will enable only those to reproduce and leave …C… progeny.  Choose the correct option for A, B and C to complete the given statement

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Correct option: A

A-variations, B-better, C-more

Option A is correct because Darwin's theory of natural selection emphasizes heritable variations leading to better resource utilization and increased progeny.

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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.