Root pressure is generated due to-

Easy

A

Active transport of various ions from the vascular tissues of root into soil
B

Active transport of various ions from the soil into vascular tissues of root and high moisture in air.
C

Passive transport of various ions from the soil into vascular tissues of root only.
D

Passive transport of various ions from the vascular tissues of root into soil.

Solution

As various ions from the soil are actively transported into the vascular tissues of the roots, water follows (its potential gradient) and increases the pressure inside the xylem. This positive pressure is called root pressure, and can be responsible for pushing up water to small heights in the stem.

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