Q. The radula is:
A) A file-like rasping organ in the mouth of molluscs used for feeding
B) The chitinous exoskeleton of arthropods
C) A water-conducting canal of echinoderms
D) A balancing organ of arthropods
Explanation
Molluscs have a radula in the mouth. Statocysts are the balancing organs of arthropods and the water vascular system belongs to echinoderms.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.