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Ananya Shree

Class 11th
Biology
1 year ago

Discuss the factors responsible for the ascent of xylem sap in plants.

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Muskan Anand

1 year ago

The ascent of xylem sap is supported by the following factors. (i) Root pressure (positive pressure that develops in the xylem sap of root). (ii) Cohesion (adhesion of water molecules due to hydrogen bonding). (iii) Adhesion (force between tracheary wall and water molecule). (iv) Transpiration pull (tension develops due to transpiration) is the main cause of ascent of xylem sap.

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