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NEET UG BIOLOGY MCQ: EVOLUTION
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The main point of Darwin’s theory is
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Correct option: B
Natural selection
Option B is correct because natural selection is the central mechanism in Darwin's theory of evolution.
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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. ‘XX’ lived 100000-40000 years ago, in Europe, Asia and Africa. ‘XX’ was short stature, hairy eyebrows, sctreating forehead and large jaws. Identify ‘XX’
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. ‘XX’ lived 100000-40000 years ago, in Europe, Asia and Africa. ‘XX’ was short stature, hairy eyebrows, sctreating forehead and large jaws. Identify ‘XX’