Q718
Phenylmercuric acetate (PMA) is a chemical used in agricultural crops in order to
A.
Increase CO2 uptake
B.
Reduce respiration
C.
Reduce transpiration
AnswerD.
Decrease CO2 uptake
Answer: Option C
Solution
Answer: Option C
Solution:
PMA is Phenylmercuric acetate, it is a chemical used in crops to reduce transpiration. It is an antitranspirant when it is applied directly to the leaves of a plant, it reduces the amount of water lost through transpiration by closing the plant’s stomata.