Q. Which of the following is not correctly matched?
A) Sycon – Canal system
B) Starfish – Radial symmetry
C) Ascaris – Flame cell
D) Prawn - Haemocoel
Explanation
Flame cells are excretory organ of Platyhelminthes. The excretory organ of Ascaris is protonephridia.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.