what is transpiration list its two function
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The water, warmed by the sun, turns into vapor (evaporates), and passes out through thousands of tiny pores (stomata) mostly on the underside of the leaf surface. This is transpiration. It has two main functions: cooling the plant and pumping water and minerals to the leaves for photosynthesis.
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Transpiration :-
- Evaporation of water molecules from the cells of a leaf create a suction (empty or clean )which pulls water from the xylem cells of roots. This loss of water in the form of vapour from the Aerial parts of the plant is called as transpiration.
Function :-
- It helps in the absorption and upward movement of water and minerals dissolved in it form roots to the leaves.
- It helps in the regulation of the temperature.
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