A) GA
B) Auxin
C) Cytokinin
D) Ethylene
Correct Answer: C
Solution :
ABA inhibits the ATP mediated proton K+ exchange pump thereby closing the stomata. It is seen that cytokinins can promote stomatal opening when applied in isolation, and thus can reduce the stomatal resistance; they can also antagonise ABA-induced stomatal closure.You need to login to perform this action.
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