Phenylmercuric acetate (PMA) is a chemical used in agricultural crops in order to

A. Increase CO₂ uptake

B. Reduce respiration

C. Reduce transpiration

D. Decrease CO₂ uptake

Answer: Option C

Solution(By Examveda Team)

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.