Question

explain root pressure....??​

Answer 1

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• Conduction of water through the xylem, from roots to upper parts of plants, is due to many forces acting together.

• One of the forces responsible for this is root pressure.

• Root pressure is osmotic pressure within the cells of a root system that causes sap to rise through a plant stem to the leaves.

• Root pressure helps in the initial transport of water up the roots.

Answer 2

Answer.......

• During root pressure, water passes through the root tissues freely, but the minerals do not (the root is a semi-permeable barrier).

• As per the natural phenomenon of osmosis, the water molecules naturally flows from the area of low mineral concentration to the area of high mineral concentration, and this flow of water into the root pressurizes it. This is the process of osmosis is very common in all other animal and plant cell.

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