NEET 2023 Phase 1 · BiologySymmetryPrevious Year Question
Radial symmetry is NOT found in adults of phylum _______.
Answer: (B) Hemichordata. Coelenterates, ctenophores and adult echinoderms are radially symmetrical.
- A.Ctenophora
- B.Hemichordata✓
- C.Coelenterata
- D.Echinodermata
Correct Answer
(B) Hemichordata
Solution & Explanation
Coelenterates, ctenophores and adult echinoderms are radially symmetrical. Hemichordates, however, are bilaterally symmetrical worm-like animals, so radial symmetry is not found in them. Hence the answer is Hemichordata. NCERT Reference: Page 45, line 35
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