| ⇦ | 
| ⇨ |
Abscisic acid treatment results in
Options
(a) Leaf expansion
(b) Stem elongation
(c) Stomatal closure
(d) Root elongation
Correct Answer:
Stomatal closure
Explanation:
ABA inhibits the H⁺ | K⁺ exchange and promotes the leakage of maleic acid. The reduction of osmotically active solutes would render the guard cells flaccid and keep the stomatal pore closed.
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Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
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