Question

what is transpiration?
how it is use full to plant?

Answer 1

transpiration is the process by which a plant loses water in the form of water through leaves. it is important as this process creates a suction pull which helps to take water from the soil.

Answer 2

It is the process of elimination of water from the upper parts of plants.
Transpiration helps to eliminate unnecessary water from plants. It is useful in this aspect.