Question

What is nematocyst. Write the structure and modes of action of cnidoblast

Answer 1

Explanation:

Nematocyst. ... Each is produced by a special cell called a cnidoblast and contains a coiled, hollow, usually barbed thread, which quickly turns outward (i.e., is everted) from the capsule upon proper stimulation. The purpose of the thread, which often contains poison, is to ward off enemies or to capture prey.