Q. In phylum-Porifera opening through which water leaves the spongocoel is called
A) Ostia
B) Omadidia
C) Osculum
D) Choanocytes
Explanation
Ostia are the minute pores on the body, through which water enters the central cavity (called the spongocoel) and water exits the spongocoel through the osculum
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.