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NEET UG BIOLOGY MCQ: EVOLUTION
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Pre-industrialization era saw the catching of dark-winged moths and survival of white-winged moths; during post-industrialization period, the white-winged moths were caught by predators and dark-winged moths survived. The phenomenon of industrial melanism is an example of
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Correct option: C
Directional selection because of smoke from the industries
Option C (Directional selection because of smoke from the industries) is correct because the change in moth population color due to industrial pollution is a clear example of directional selection, where one extreme phenotype is favored.
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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.
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Reason: All life forms were in water environment only.