Sap ascends in woody stems because of root pr | vedclass

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(A) The ascent of sap in plants is primarily driven by the transpiration pull,which creates a negative pressure (tension) in the xylem vessels.Root pr

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Transpiration pull

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(A) The ascent of sap in plants is primarily driven by the transpiration pull,which creates a negative pressure (tension) in the xylem vessels.Root pressure provides a positive push,which is significant in smaller plants or during specific conditions like high humidity,but the transpiration pull is the main force responsible for the long-distance transport of water in tall woody stems.

Sap ascends in woody stems because of root pressure and

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