NEET 2021 · BiologyBody levelsPrevious Year Question
Match List I with List II. List I (a) Metamerism (b) Canal system (c) Comb plates (d) Cnidoblasts List II (i) Coelenterata (ii) Ctenophora (iii) Annelida (iv) Porifera Choose the correct option from those given below.
Answer: (A) (a)-(iii); (b)-(iv); (c)-(ii); (d)-(i). Metameric segmentation (metamerism) characterises Annelida, so (a)-(iii).
- A.(a)-(iii); (b)-(iv); (c)-(ii); (d)-(i)✓
- B.(a)-(iv); (b)-(i); (c)-(ii); (d)-(iii)
- C.(a)-(iv); (b)-(iii); (c)-(i); (d)-(ii)
- D.(a)-(iii); (b)-(iv); (c)-(i); (d)-(ii)
Correct Answer
(A) (a)-(iii); (b)-(iv); (c)-(ii); (d)-(i)
Solution & Explanation
Metameric segmentation (metamerism) characterises Annelida, so (a)-(iii). The water transport or canal system is found in Porifera, so (b)-(iv). Comb plates are the locomotory structures of ctenophores, so (c)-(ii). Cnidoblasts (stinging cells) define Coelenterata/Cnidaria, so (d)-(i). Hence option A. NCERT Reference: Page 43, line 29
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