The movement of water from one cell of the cortex to the adjacent one in roots is due to

Options

A. accumulation of inorganic salts in the cells
B. accumulation of organic compounds in the cells
C. chemical potential gradient
D. water potential gradient

Answer

D

Explanation

Water potential is the difference in the chemical potential per unit molar volume of water in a system and that of pure water at the same temperature and pressure. Water always moves from the area of high water potential to the area of low water potential.