The pulling force in the plant body that deve | vedclass

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(C) Transpiration is the process of loss of water in the form of water vapor from the aerial parts of the plant.This loss of water creates a negative

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Transpiration

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(C) Transpiration is the process of loss of water in the form of water vapor from the aerial parts of the plant.This loss of water creates a negative pressure or tension,known as transpiration pull,in the xylem vessels.This pulling force is transmitted throughout the water column in the xylem,which is responsible for the ascent of sap from the roots to the top of the tree.

The pulling force in the plant body that develops at the top of a tree is caused by:

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