The speed of water absorption will be greater | vedclass

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(B) Water absorption by root hairs occurs primarily through osmosis,which is driven by a water potential gradient. For water to move from the soil int

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The difference between osmotic pressure of soil water and that of xylem vessels is always more.

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(B) Water absorption by root hairs occurs primarily through osmosis,which is driven by a water potential gradient. For water to move from the soil into the root xylem,the water potential of the soil must be higher than that of the root cells. This corresponds to a situation where the osmotic pressure of the xylem sap is significantly higher than that of the soil water. Therefore,a larger difference between the osmotic pressure of the soil water and the xylem vessels creates a steeper gradient,leading to a faster rate of water absorption.

The speed of water absorption will be greater if:

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