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Question
Which of the following is used as anti-transpirant?
Which of the following is used as anti-transpirant?
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Solution
The correct option is B Phenyl mercuric acetate
Antitranspirants are compounds applied to the leaves of plants to reduce transpiration. They preserve and protect plants from drying out too quickly.
Antitranspirants are of two types: metabolic inhibitors and film-forming antitranspirants.
Metabolic inhibitors reduce the stomatal opening and increase the leaf resistance to water vapour diffusion without affecting carbon dioxide uptake. Examples include phenyl mercuric acetate, abscisic acid (ABA) and aspirin.
Film-forming antitranspirants form a colorless film on the leaf surface that allows diffusion of gases but not of water vapour. Examples include silicon oil and waxes.
Antitranspirants are compounds applied to the leaves of plants to reduce transpiration. They preserve and protect plants from drying out too quickly.
Antitranspirants are of two types: metabolic inhibitors and film-forming antitranspirants.
Metabolic inhibitors reduce the stomatal opening and increase the leaf resistance to water vapour diffusion without affecting carbon dioxide uptake. Examples include phenyl mercuric acetate, abscisic acid (ABA) and aspirin.
Film-forming antitranspirants form a colorless film on the leaf surface that allows diffusion of gases but not of water vapour. Examples include silicon oil and waxes.
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