What is the function of trichocyst in paramecium?

A. Movement
B. Defence
C. Excretion
D. At which stage in this cycle can man b infected

Correct Answer:

Option B – Defence

Explanation

Trichocyst, a structure in the cortex of certain ciliate and flagellate protozoans consisting of a cavity and long, thin threads that can be ejected in response to certain stimuli. Trichocysts may be widely distributed over an organism or restricted to certain areas (e.g., tentacles, papillae, around the mouth).

It is also a structure in the cortex of certain ciliate and flagellate protozoans consisting of a cavity and long, thin threads that can be ejected in response to certain stimuli