Root pressure develops due to

Options

A. active absorption
B. low osmotic optential in soil
C. passive absorption
D. increase in transpiration

Answer

A

Explanation

Root pressure is the positive pressure that develops in the roots of plants by the active absorption nutrients from the soil. When the nutrients are actively absorbed by root hairs, water (along with minerals) increases the pressure in the xylem. This pressure pushes water up to small hights.