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  4. Cohesion Tension theory is related with

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Q. Cohesion Tension theory is related with

UP CPMTUP CPMT 2001

Solution:

Ascent of sap is the transport of water and minerals from the tip of the root to the top of shoot. It is explained by the universally accepted cohesion - adhesion theory which says that water molecules join together to form a continuous column and adheres to the walls of xylem and this column is maintained by transpirational pull.