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Abscisic acid causes the stomata to close during stress by
 

Option: 1

Enhancing drooping of leaves
 


Option: 2

Inducing synthesis of carotenoids
 


Option: 3

Inhibiting an ATP dependent proton pump
 


Option: 4

Abscission of leaves
 


Answers (1)

best_answer

 

 

Transpiration: During desiccation and other stresses, abscisic acid is rapidly synthesised. The inhibitor causes closure of stomata and hence prevents transpiration.
 

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Abscisic acid causes the stomata to close during stress by inhibiting an ATP dependent proton pump
 

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Ritika Harsh

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