1.

U. Wildldre Vill? What is their function?7. Why is transpiration a necessary evil?8. Compare the doul 1

Answer»

The loss of excees water in the form of vapor from the aerial parts of the plant is known as transpiration. Transpiration is essential for the movement of water and minerals from the root to the healthy parts of the plant. But excess transpiration may result in drying up of the leaves or wilting and loss of soil water. Hence it is termed as a necessary evil.

Transpirationoccurs through the stomata. ... Thustranspirationis called as anecessary evilbecause it is an inevitable process. The loss of water can lead to wilting, serious desiccation, and shortage of water.Transpirationhelps in the ascent of the sap and the pulling of the water from the roots to the tips.



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