Transpiration is a necessary evil' this statement was given by
A. Blackman
B. Curtis
C. Hill
D. Sayre
Answer: Option B
Solution (By Examveda Team)
Transpiration is a necessary evil this statement was given by Curtis.Curtis in 1926 rightly called that "Transpiration is a necessary evil" because of its advantages and disadvantages.
Water is necessary for plants but only a small amount of water taken up by the roots is used for growth and metabolism and excess is discarded. It sometimes also leads to excessive loss of water causing harm to plants.

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