| ⇦ | 
| ⇨ |
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)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A column of water within xylem vessels of tall trees does not break under its weight
- The ciliated columnar epithelial cells in humans are known to occur in :
- During the formation of bread it becomes porous due to release of
- A non proteinaceous enzyme is
- Secondary sewage treatment is mainly a
Topics: Plant Growth and Development (126)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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