Question

What is root pressure and transpiration pull . explain.

Answer 1

The positive hydrostatic pressure developed in the root cells due to the accumulation of water absorbed by the root is known as root pressure.

The pulling force developed in the water column of xylem vessels due to transpiration is called transpiration pull.

Answer 2

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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.