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NEET 2025, Biology Q33: Classification of Non-Chordates

NEET2025Biology
Q.

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

    B, D and E Only

  2. B

    A and B Only

  3. C

    A and C Only

  4. D

    B and C Only

Solution

The water vascular system of echinoderms is responsible for locomotion (via tube feet), capture and transport of food, and respiration.

Echinoderms lack a specialised excretory system — excretion occurs through the general body surface. So options involving excretion or digestion are wrong.

Only A (Respiration and Locomotion) and C (Capture and transport of food) are correct.

Concept behind this question

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