Evolutionary Biology

JKPSC Assistant Professor (Zoology) · Zoology · 62 practice questions with answers and explanations: 9 Easy, 53 Medium, 0 Hard.

Sample questions

Sample Easy question 1

Which period is known as the Age of Reptiles?

  1. Cenozoic era
  2. Mesozoic era
  3. Palaeozoic era
  4. Precambrian
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Answer: B. Dinosaurs dominated the Mesozoic.

Sample Easy question 2

Allopatric speciation occurs due to:

  1. Geographical isolation
  2. Sexual selection
  3. Hybridisation
  4. Polyploidy
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Answer: A. The populations are separated by a physical barrier.

Sample Easy question 3

The Hardy–Weinberg principle assumes all of the following EXCEPT:

  1. Natural selection
  2. Random mating
  3. Large population
  4. No mutation
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Answer: A. Natural selection would change allele frequencies.

Sample Medium question 4

Analogous organs have:

  1. Different origins but similar functions
  2. The same origin
  3. No function
  4. Same structure
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Answer: A. Wings of birds and insects are an example.

Sample Medium question 5

Vestigial organs include:

  1. The human appendix
  2. The kidney
  3. The heart
  4. The liver
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Answer: A. They are reduced remains.

Sample Medium question 6

Convergent evolution gives rise to:

  1. Genes
  2. Homologous structures
  3. Vestigial organs
  4. Analogous structures
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Answer: D. Dolphins and sharks are an example.

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