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Question
The abscissic acid acts as antitranspirant in plants by the following processes EXCEPТ ______.
Options
making the guard cells hypotonic
making the guard cells turgid
prevents uptake of K+ ions by guard cells during night time
efflux of K+ ions from guard cells during day time
MCQ
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Solution
The abscissic acid acts as antitranspirant in plants by the following processes EXCEPТ making the guard cells turgid.
Explanation:
ABA induces efflux of K+ ions, making guard cells flaccid/hypotonic and causing stomatal closure.
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