Zoology-Phylum Characteristics

NEET Zoology Phylum Characteristics MCQ Question

Type: MCQ-fact-Medium-Class 11

Which of the following characteristics is unique to the phylum Echinodermata?

A

Presence of a water vascular system

B

Exoskeleton made of chitin

C

Bilateral symmetry in adults

D

Presence of cnidoblasts

Correct Answer

Option A

Detailed Explanation

Echinoderms are distinguished by their unique water vascular system, which is a defining feature of this phylum. While other options describe characteristics of different animal groups, only option A correctly identifies a feature specific to Echinodermata.

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