Evolution | NTS Sindh Mdcat Past Paper MCQs | mosaicbro.com

Evolution | NTS Sindh Mdcat Past Paper MCQs

7 of 28 questions (Page 4 of 4)

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22 Which observation supports Darwin's theory?
Correct Answer: B
Explanation: Peppered moths exemplify natural selection favoring camouflage traits.
23 Genetic drift is most significant in:
Correct Answer: B
Explanation: Small populations experience random fluctuations in allele frequencies.
24 Which is NOT a factor in speciation?
Correct Answer: B
Explanation: Asexual reproduction reduces genetic diversity, hindering speciation.
25 The fossil record provides evidence for evolution by showing:
Correct Answer: B
No explanation available for this question.
26 Industrial melanism in moths demonstrates:
Correct Answer: B
Explanation: Dark-colored moths became more common in polluted areas due to selective predation.
27 Vestigial structures (e.g., human appendix) support evolution because they:
Correct Answer: B
No explanation available for this question.
28 Convergent evolution results in:
Correct Answer: B
Explanation: Analogous structures arise independently in unrelated species due to similar environmental pressures.
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