Q170
Phenyl mercuric acetate
A.
Reduces transpiration
AnswerB.
Reduces photosynthesis
C.
Decreases water absorption
D.
Kills the plant
Answer: Option A
Solution
Answer: Option A
Solution:
Phenyl mercuric acetate Reduces transpiration.Phenyl mercuric acetate (PMA) induced stomatal closure and decreased transpiration.
Stomata of leaves treated with any of the 3 PMA concentrations closed earlier and at a higher relative water content than did stomata of untreated leaves.