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NEET UG BIOLOGY MCQ: EVOLUTION
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Statement-I: Natural selection fixes the character with adaptive value and operates both in small and larger populations.
Statement-II: Natural selection increases the fitness of an organism by increasing the frequency of adaptive alleles and decreasing the frequency of deleterious alleles.
Statement-II: Natural selection increases the fitness of an organism by increasing the frequency of adaptive alleles and decreasing the frequency of deleterious alleles.
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Correct option: A
Both statement I & II are correct
Option A (Both statement I & II are correct) is the correct answer because both statements accurately describe the role of natural selection in fixing adaptive traits and increasing organism fitness.
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