Q. The water vascular system is characteristic of which group?
A) Echinodermata
B) Porifera
C) Ctenophora
D) Chordata
Explanation
The water vascular system, which helps in locomotion, food capture and transport, and respiration, is the most distinctive feature of echinoderms.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.