Question

Why transpiration is called as necessary evil?

Answer 1

here's ur answer
transportation is necessary coz. The water, warmed by the sun, turns into vapor (evaporates), and passes out through thousands of tiny pores (stomata) mostly on the underside of the leaf surface. This is transpiration. It has two main functions: cooling the plant and pumping water and minerals to the leaves for photosynthesis hope it helps!

Answer 2

hey
friend

the loss of water in the form of vapours from aerial parts of the plant is called transpiration is said to be a necessary evil

I hope it's helpful