Define transpiration. State its two functions.
(N/A) The loss of water in the form of vapour from the aerial parts of the plant is known as transpiration.
Functions:
$(i)$ It helps in the absorption and upward movement of water and minerals dissolved in it from roots to the leaves.
$(ii)$ It helps in the regulation of plant temperature by providing a cooling effect.
Functions:
$(i)$ It helps in the absorption and upward movement of water and minerals dissolved in it from roots to the leaves.
$(ii)$ It helps in the regulation of plant temperature by providing a cooling effect.
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