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Evolution — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYEvolution1 Mark
MCQ
Which one among the following is an example for homology?
  • A
    Eye of octopus and mammals.
  • B
    Tuber of sweet potato and potato.
  • C
    Flippers of penguins and dolphins.
  • D
    Thorns and tendrils of Bougainvillea and Cucurbita.
✓

Answer

  1. Thorns and tendrils of Bougainvillea and Cucurbita.

Explanation:

The animals or plants that evolve same structure along different directions due to adaptations to different needs is known as divergent or homologous evolution and it shows common ancestry. The thorn and tendrils of Bougainvillea and Cucurbita represent homology.

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