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NEET UG BIOLOGY MCQ: EVOLUTION
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Understanding
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Biological concept of species is mainly based on
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Correct option: A
Reproductive isolation
Option A (Reproductive isolation) is correct because the biological species concept defines species based on their ability to interbreed and produce viable, fertile offspring, thus reproductive isolation is key.
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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.
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.