Nmdcat Practice Paper from PMDC Syllabus | mosaicbro.com

Nmdcat Practice Paper from PMDC Syllabus

7 of 197 questions (Page 2 of 29)

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8 Who proposed the theory of natural selection as a mechanism for evolution?
Correct Answer: B
Explanation: Darwin and Wallace jointly proposed natural selection in 1858, though Darwin's 'Origin of Species' (1859) popularized it.
9 What is a homologous structure?
Correct Answer: C
Explanation: Homologous structures (e.g., human arm, bat wing) share ancestry but may differ in function.
10 Which statement best describes natural selection?
Correct Answer: C
Explanation: Natural selection is the differential survival/reproduction of organisms with advantageous traits.
11 What role does mutation play in evolution?
Correct Answer: C
Explanation: Mutations provide raw material for evolution by introducing new genetic variants.
12 Which of the following is a vestigial structure in humans?
Correct Answer: C
Explanation: The appendix is a vestigial remnant of a larger cecum used in herbivorous ancestors.
13 What is speciation?
Correct Answer: C
Explanation: Speciation occurs when populations diverge and become reproductively isolated.
14 Which scientist independently conceived a theory of evolution similar to Darwin’s?
Correct Answer: C
Explanation: Wallace's 1858 paper on natural selection prompted Darwin to publish his own work.
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