| I. Passive absorption of mineral salts is dependent on diffusion. |
| II. Movement in cells against concentration gradient is called active transport. |
| III. Water potential of impure water is higher than that of pure water. |
| Which of the statements given above are correct. |
A) I and II
B) I and III
C) II and III
D) I, II and III
Correct Answer: A
Solution :
Passive absorption of minerals takes paice as mass flow, simple diffusion, facilitated diffusion, ion exchange, Donan equilibrium.
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