Question

Assertion (A): Diffusion is the process of free movement of liquid molecules only. It does not occur in gaseous state.

Reason (R): The main condition which regulates the process of diffusion is the concentration gradient and not the state of matter. It always occurs from higher to lower concentration.

Options

• A is True and R is False.

• A is False and R is True.

• Both A and R are True.

• Both A and R are False.

Answer 1

Both A and R are False.

Explanation:

A is true. Roots absorb water and nutrients from the earth. R is false. Roots absorb minerals mainly through active transport and osmosis, not just diffusion.