7. The process of osmosis involves

(a)  Movement of solute through semipermeable membrane

(b)  Movement of solvent through a semipermeable membrane

(c)   Movement of solution through a semipermeable membrane

(d)  None of the above

Ans. (b)      Osmosis is a special type of diffusion of a liquid, when solvent moves through a semipermeable membrane from a place of higher diffusion pressure to a place of lower diffusion pressure.