In case of poriferans, the spongocoel is lined with flagellated cells called :

1. oscula

2. choanocytes

3. mesenchymal cells

4. ostia

Doubtly Asked 30 Oct 2026 NEET UG 2017 Practice test neet Save WhatsApp Report

1 answer

Best answer

Answer: 2. choanocytes

The spongocoel of sponges is lined by flagellated choanocytes (collar cells). Their beating drives water through the body.

Ostia are the small inlet pores, the osculum is the exit opening, and mesenchymal cells are amoebocytes in the middle layer.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

Was this answer helpful?