The continuous excretion of watery substance | vedclass

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Question

(A) When the shoot of a well-watered plant is cut off near the base, a positive hydrostatic pressure develops in the xylem of the roots due to the act

Vedclass · Accepted Answer

Root pressure

Vedclass · Answer

(A) When the shoot of a well-watered plant is cut off near the base, a positive hydrostatic pressure develops in the xylem of the roots due to the active absorption of mineral ions. This pressure is known as $Root 	ext{ pressure}$. It is responsible for pushing the xylem sap upwards, which manifests as the exudation of watery fluid from the cut stump.

The continuous excretion of watery substance from the stump of a well-watered pot plant after cutting off the shoot slightly above the base is due to:

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