Animal Kingdom Question 756

Question: Ambulacral grooves are absent in the living forms of the class [Pb. PMT 1999; AIIMS 2002]

Options:

A) Crinoidea

B) Ophiuroidea

C) Asteroidea

D) Echinodermata

Show Answer

Answer:

Correct Answer: B

Solution:

In class ophiuroidea, Ambulacral grooves are absent or covered by ossicles.