Ascent of sap is due to which force?

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(C) The ascent of sap is primarily driven by the cohesion-tension theory. Water molecules remain connected to each other in a continuous column within

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Cohesive force

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(C) The ascent of sap is primarily driven by the cohesion-tension theory. Water molecules remain connected to each other in a continuous column within the xylem due to strong cohesive forces, which arise from hydrogen bonding between water molecules. This cohesion provides high tensile strength to the water column, allowing it to withstand the gravitational pull and the tension generated by transpiration. The cohesive force has a significant value, typically ranging from $(45-207) 	ext{ atm}$.

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