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NEET UG BIOLOGY MCQ: EVOLUTION
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The concept of chemical evolution is based on
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Correct option: D
Possible origin of life by combination of chemicals under suitable environment conditions
Option D (Possible origin of life by combination of chemicals under suitable environment conditions) is correct because the concept of chemical evolution posits that life arose from the gradual formation of complex organic molecules from simpler inorganic substances in Earth's early environment.
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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.