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ZoologyNEET 2025Non-chordates: Porifera to Echinodermata

Animal Kingdom

The role of the water vascular system in echinoderms is:

A. Respiration and locomotion

B. Excretion and locomotion

C. Capture and transport of food

D. Digestion and respiration

E. Digestion and excretion

Choose the correct answer from the options given below:

  1. A.A and B only
  2. B.A and C only✓
  3. C.B and C only
  4. D.B, D and E only

Solution

The echinoderm water vascular system, with its tube feet, serves locomotion, capture and transport of food, and respiration — statements A and C. It plays no part in excretion or digestion.

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