The ultimate force which propels water agains | vedclass

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(C) The movement of water through the xylem is primarily driven by the transpiration pull. As water evaporates from the stomata of leaves (transpirati

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Transpiration

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(C) The movement of water through the xylem is primarily driven by the transpiration pull. As water evaporates from the stomata of leaves (transpiration),it creates a negative pressure or tension in the xylem vessels. This tension,known as transpiration pull,is strong enough to pull water columns upward against the force of gravity from the roots to the highest points of the plant.

The ultimate force which propels water against gravity is generated by

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