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NEET UG BIOLOGY MCQ: EVOLUTION
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Formation of which complex molecules was noticed by Urey and miller when they subjected substances to electric discharge :
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Correct option: D
Amino acids
Option D (Amino acids) is correct because the Miller-Urey experiment resulted in the formation of amino acids, which are building blocks of proteins.
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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.
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Reason: All life forms were in water environment only.