Biology·Prelims Questions
Phylum Echinodermata — Prelims Questions
NEET UG
Version 1Updated 22 Mar 2026
Q1easy
Which of the following is a unique and defining characteristic of Phylum Echinodermata?
Q2medium
Which of the following echinoderms possesses Aristotle's lantern?
Q3medium
Which of the following statements about Echinodermata is incorrect?
Q4medium
Which of the following structures is responsible for gas exchange in sea cucumbers?
Q5hard
Which of the following is NOT a function of the water vascular system in echinoderms?
Q6medium
Which class of Echinodermata includes organisms that are typically sessile and have both mouth and anus on the oral surface?