Does transpiration serve any useful function?

The transpiration is the process by which water is lost in the form of water vapour from the aerial parts of the plants. Only a small amount of water absorbed by the plants is utilised in growth and development. The rest is eliminated in the form of transpiration.

Uses of transpiration

(i) The excess water absorbed by the root system of the plants lost in the form of water vapour to their surroundings by the process of transpiration.

(ii) It also helps in the transport of absorbed water to the leaves of plants from the roots for photosynthesis and keeps the plants erect.

(iii) It also produces a cooling effect for the plants.

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