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Read the following statements (a) Metagenesis is observed in Helminths. (b) Echinoderms are triploblastic and coelomate animals. (c) Round worms have organ-system level of body organization. (d) Comb plates present in ctenophores help in digestion. (e) Water vascular system is characteristic of Echinoderms.
Read the following statements (a) Metagenesis is observed in Helminths. (b) Echinoderms are triploblastic and coelomate animals. (c) Round worms have organ-system level of body organization. (d) Comb plates present in ctenophores help in digestion. (e) Water vascular system is characteristic of Echinoderms.
biology
Read the following statements (a) Metagenesis is observed in Helminths. (b) Echinoderms are triploblastic and coelomate animals. (c) Round worms have organ-system level of body organization. (d) Comb plates present in ctenophores help in digestion. (e) Water vascular system is characteristic of Echinoderms.

Choose the correct answer from the options given
below.
(1) (c), (d) and (e) are correct
(2) (a), (b) and (c) are correct
(3) (a), (d) and (e) are correct
(4) (b), (c) and (e) are correct
Correct option:(4)(b), (c) and (e) are correct
Solution:

  • Metagenesis (alternation of generation) is observed in members of phylum Coelenterata (Cnidaria).
  • Echinoderms are triploblastic and coelomate animals as true coelom is observed in them.
  • Roundworms (Aschelminths) have organ system level of organization.
  •  Comb plates present in ctenophores help in locomotion.
  • Water vascular system is seen in echinoderms.
  • It helps in locomotion, capture and transport of food and respiration.
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