(a) What is meant by cyclosis or cytoplasmic streaming ? Write two functions of it.
(b) What do you mean by phagocytosis and pinocytosis ?

Explanation

(a) Autonomic movement of the matrix of cytoplasm is called cyclosis or cytoplasmic streaming. The two functions of cyclosis are :
(i) transport of substances from one part of the cell to another.
(ii) cellular movement as in WBCs.
(b) Phagocytosis is the intake of solid particles by a cell. it is celled cell eating.
Pinocytosis. It is the nonspecific intake of a tiny droplet of extracellular fluid by a cell cannot otherwise pass through the cell membrane.