Question

Which of the following is a true statement about osmosis?

A.
Osmosis is diffusion of sugar molecules across a membrane.

B.
Osmosis is diffusion of water molecules across a membrane.

C.
Osmosis is diffusion in plants cells.

D.
Osmosis is diffusion in animal cells.

Answer 1

B, osmosis is the movement of water across a semi-permeable membrane according to the gradient of concentration. The water moves to were the concentration of  solute is higher, that way the solute concentration is equalized.