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How transpiration helps in the transport …

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How transpiration helps in the transport of water in plant

Posted by Jahnavi Valeti 5 years, 2 months ago

CBSE > Class 07 > Science

1 answers

Yogita Ingle 5 years, 2 months ago

Transpiration is the loss of water in the form of water vapour from the aerial parts of a plant.
It occurs through openings called stomata.
Water loss through evaporation lowers the concentration of water inside the mesophyll cells.
Due to this, water enters mesophyll cells from neighbouring xylem vessels through osmosis.
As water evaporates from the leaves, a suction force is created. This force helps to draw more water up through the stem which causes the roots to absorb more water from the soil.
Higher the rate of transpiration, greater the rate of absorption of water and solutes from the soil.
Transpiration also helps in maintaining the temperature of the plant body.

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