Read the followin

(a) Plasma membrane is called selectively permeable as it allows only certain substances to move in or out.

(b) Cell wall is more rigid.

(c) Since plants have an outermost cell wall which is rigid so they become more turgid when placed in a hypotonic solution. On the other hand, an animal cell will take up excessive water and burst.

(d) Through Diffusion

(e) Diffusion is the process of movement of substances from a region of high concentration to the region of low concentration until the uniform concentration is finally achieved.