When does the absorption of soil water occur | vedclass

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(B) Water absorption by root hairs occurs primarily through osmosis. Osmosis is the movement of water from a region of higher water potential (lower s

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The concentration of solutes is higher in the root hairs.

Vedclass · Answer

(B) Water absorption by root hairs occurs primarily through osmosis. Osmosis is the movement of water from a region of higher water potential (lower solute concentration) to a region of lower water potential (higher solute concentration) across a semi-permeable membrane. For water to move from the soil into the root hairs,the water potential inside the root hairs must be lower than that of the soil water. This is achieved when the concentration of solutes (salts/minerals) is higher inside the root hairs compared to the soil,creating a gradient that draws water in.

When does the absorption of soil water occur through root hairs?

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