Q. Which one of the following kinds of animals are triploblastic?
A) Corals
B) Flat worms
C) Sponges
D) Ctenophores
Explanation
[Solution from source] Triploblasty, with a mesoderm between ectoderm and endoderm, begins with the Platyhelminthes (flatworms). Corals (cnidarians) and ctenophores are diploblastic, and sponges have a cellular level of organisation without true germ layers. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.