Cnidocytes/Cnidoblast MCQ - Practice Questions with Answers

• The Cnidocytes are the stinging cells present in the body wall of the Cnidarians
• Each cnidocyte contains an organelle called nematocyst
• Nematocyst consists of chitinous barb which is filled with the hypnotoxin
• Hypnotoxin is a neurotoxin which is a mixture of Protein and Phenol
• A thread like structure is attached to the barb
• The outer wall of the cnidocyte has a touch-sensitive projection called cnidocil. 
• When touched, the thread is fired from the cnidocyte and coils around the prey. 
• The hypnotoxin is injected into the prey’s body

STRUCTURE OF CNIDOBLASTS