Question

Choose the correct options for the following diagram.

• A. It represents choanocyte in Porifera
• B. It represent cnidoblasts in Platyhelminthes
• C. It represent cnidoblast in Coelenterata
• D. It represent choanocyte in Coelenterata

Answer 1

Answer: (C)

The figure represents cnidoblast or cnidocyte, found in animals of the phylum-Coelenterata.
Cnidoblasts contain stinging capsule, which releases the toxin, thus used in the defence mechanism by the animals belonging to phylum-Coelenterata.