NEET Zoology Phylum Characteristics MCQ Question
Which of the following characteristics is unique to the phylum Echinodermata?
Presence of a water vascular system
Exoskeleton made of chitin
Bilateral symmetry in adults
Presence of cnidoblasts
Correct Answer
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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