Question

Why transpiration is a necessary evil?

Answer 1

Transpiration is a necessary evil as while transpiration the plant doesn`t know what amt. of water is transpirated and due to which plant may even die.On the contrary if excess of water is stored in plant that`s also bad for plant.

So it`s a necessary...  

Answer 2

Answer:

Hi friend________,

★ 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 & loss of soil water.

★ Hence it is termed as a necessary evil.

Thank you! (^.^)