Question

Why and how does water enter continuously into the root xylem? Draw well labelled
diagram​

Answer 1

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The continuous flow of water in root xylem is due to transpiration pull. The water which is lost through the stomata is replaced by xylem vessel. The ion-concentration increases inside the root and hence osmotic pressure increases the movement of water from soil into root which occurs continuously.

@MissTranquillity

Answer 2

Answer:

Water from root hair continuously moves into the root xylem. To maintain the osmotic gradient, the cells of root hair actively take up ions from the soil.