Define the term transpiration. Mention the …

Transpiration is the biological process by which water is lost in the form of water vapour from the aerial parts of the plants.

The significance of transpiration is explained below:

1.  Transpiration helps in the conduction of water and minerals to different parts of the plants.
2. Due to the continuous elimination of water from the plant body, there is a balance of water maintained within the plant.
3.  It maintains osmosis and keeps the cells rigid.
4.  A suction force is created by transpiration that helps in the upward movement of water in the plants.
5. Certain hydrophilic salts are accumulated on the surface of the leaves, which keeps the leaves moist.
6. It maintains the turgidity of the cells and helps in cell division.
7. Optimum transpiration helps in the proper growth of the plants.
8. The cooling effect of a tree is due to the evaporation of water from its leaves.