Multiple choice

Which group includes homologous organs?

  1. Horns of cattle, tail of horse and teeth of mammals

  2. Fins of seal, wings of birds and forelimbs of man

  3. Wings of butterfly, flying fish and bird

  4. Tentacles of Hydra and arms of starfish
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Homologous organs share a common evolutionary origin and underlying structure, even if they perform different functions. The fins of a seal, wings of a bird, and human forelimbs all share the same pentadactyl limb structure.

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