ICSE Class 10 Answered
Briefly explain how does transpiration help in upward conduction of water in the plants
Asked by rayyanhaseen123 | 09 Apr, 2019, 03:39: PM
Expert Answer
- 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.
Answered by Sheetal Kolte | 09 Apr, 2019, 04:35: PM
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