Q159 / 180 · AIIMS 2018 (27 May) · Zoology

Presence of gills in the tadpole of frog indicates that

  • A
    fishes were amphibious in the past
  • B
    fishes evolved from frog-like ancestors
  • C
    frogs will have gills in future
  • Correct answer
    D
    frogs evolved from gilled ancestors.

Solution

The tadpole larva of frog bear gills and lives in water, this proves that frogs have evolved from gilled ancestors.

Hence, the correct answer is option: 'D'.

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