An outline sketch of a tree is shown in a diagram below. Study the same and answer the questions that follows.

(a) Name the phenomenon labelled A in diagram.

(b) Explain phenomenon 'A'.

(c) Give one significance of phenomenon 'A'.

(a) Transpiration

(b) Transpiration is the loss of water in the form of water vapour from the aerial parts (leaves and stem) of the plant.

(c) Transpiration maintains the temperature of the plant.