The spraying of phenyl mercuric acetate in leaves
The spraying of phenyl mercuric acetate in leaves
A. increases transpiration
B. reduces transpiration
C. increases rate of photosynthesis
D. causes guttation
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Correct Answer - B
Phenyl mercuric acetate is an antitranspirant. It covers the stomata asa film and resist the diffusion of water therefore, reduces the rate of transpiration. Other antitranspirants include Abscisic Acid (ABA) and aspirin.
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