Q. In case of poriferans, the spongocoel is lined with flagellated cells called :
A) ostia
B) oscula
C) choanocytes
D) mesenchymal cells
Explanation
[Solution] Choanocytes (collar cells) line the spongocoel and canals. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.