NEET 2019 Odisha · BiologyAves MammaliaPrevious Year Question
Which of the following animals are true coelomates with bilateral symmetry?
Answer: (D) Annelids. Annelids are triploblastic, bilaterally symmetrical and possess a true coelom lined by mesoderm.
- A.Adult Echinoderms
- B.Aschelminthes
- C.Platyhelminthes
- D.Annelids✓
Correct Answer
(D) Annelids
Solution & Explanation
Annelids are triploblastic, bilaterally symmetrical and possess a true coelom lined by mesoderm. Aschelminthes are pseudocoelomates, platyhelminthes are acoelomates, and adult echinoderms are radially symmetrical. Hence only annelids fit both criteria. NCERT Reference: Page 43, line 27
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