Transpiration is a necessary evil in plants Explain .

Explanation

Transpiration is a necessary evil in plants, because it is an inevitable, but potentially harmful. Loss of water from the plant results wilting and cause death of a plant, if a condition of drought is experienced.
But transpiration is a great significance for the plant.
(a) Water is conducted, in most tall plants due to transpiration pull.
(b) Minerals dissolved in water are distributed through out the plant body by Transpiration Stream
(c) Evaporation of water from the cells of leaves has cooling effect on plants.
(d) Wet surface of leaf cells allow gaseous exchange.