NEET 2018 · BiologyEchinodermataPrevious Year Question
Which of the following animals does not undergo metamorphosis?
Answer: (C) Earthworm. Earthworm (Pheretima, phylum Annelida) shows direct development with no larval stage, so it does not metamorphose.
- A.Moth
- B.Tunicate
- C.Earthworm✓
- D.Starfish
Correct Answer
(C) Earthworm
Solution & Explanation
Earthworm (Pheretima, phylum Annelida) shows direct development with no larval stage, so it does not metamorphose. Moth (Arthropoda), Tunicate (Urochordata) and Starfish (Echinodermata) all pass through a larval stage and undergo metamorphosis. NCERT Reference: Page 43, line 45
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