Question

Porocytes are

• A. located in the body of flatworms and are excretory in function
• B. located in the body wall of sponge and regulates incoming water current
• C. located in the body of roundworms and are excretory in function
• D. located in the body of hydra and regulates the outgoing water current

Answer 1

The correct option is B located in the body wall of sponge and regulates incoming water current

Porocytes are tube-like cells which line the pores called ostia present on the body wall of sponges. Each porocyte regulates incoming water current by contraction.