The pressure responsible for the movement of water from root hair cells to the xylem is_________.

turgor pressure

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root pressure

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osmotic pressure

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none of these

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Solution

The correct option is B
root pressure

The pressure that forces water absorbed from the soil, to move through the roots, stem and leaves of a plant is root pressure. In the fallowing image, the root pressure is demonstrated by cutting a stem, from which water will exude. A manometer is attached to the plant stem to measure the root pressure.

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Similar questions

Q. Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm and turgor pressure 7 atm. Cell B has osmotic pressure 8 atm and turgor pressure 3 atm. The result will be:

Absorption of minerals by the epidermal cells of root and root hair causes the water to enter from surrounding soil into roots. It further reaches the root xylem. Thus, due to a continuous uptake of water by root cells, a water pressure is created in the root xylem. This pressure is called as________

Q. What is the direction of the movement of water if two cells have the same osmotic pressure but differ in turgor pressure?

Q. Assertion :The positive pressure that develops in the plant cell due to entry of water is called turgor pressure. Reason: The turgor pressure is responsible for enlargement and extension during growth of cells.

What is responsible for guttation?

(a) Osmotic pressure (b) Root pressure

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