Q. Which of the following is NOT a ctenophore?
A) Pleurobrachia
B) Ctenoplana
C) Physalia
D) Sea walnut
Explanation
Physalia (Portuguese man-of-war) is a cnidarian. Pleurobrachia and Ctenoplana are ctenophores; sea walnut is a common name of ctenophores.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.