Sample Questions — Mechanism of evolution
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MCQ
What does the Hardy-Weinberg equilibrium indicate in a population?
✅ Correct Answer: C
The Hardy-Weinberg equilibrium is a mathematical model of a non-evolving population with stable allele frequencies.
MCQ
Assertion (A): Genetic drift occurs mostly in large populations.
Reason (R): In large populations, allele frequency changes by chance are more pronounced.
✅ Correct Answer: D
Genetic drift is significant in small, not large populations.
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MCQ
Q4. The equation p² + 2pq + q² = 1 represents
✅ Correct Answer: B
This binomial expansion represents genotype frequencies under genetic equilibrium.
MCQ
Q1. The Hardy-Weinberg principle states that allele frequencies in a population
✅ Correct Answer: B
According to the Hardy-Weinberg principle, allele frequencies remain constant if no evolutionary forces act.
MCQ
Q8. Movement of genes from one population to another is called
✅ Correct Answer: A
Gene flow is the migration of genes across populations.
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