| ⇦ | 
| ⇨ |
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
- Electrons from excited chlorophyll molecule of photosystem II are accepted first by:
- The purplish red pigment rhodopsin contained in the rods type of photoreceptor
- Nobel prize for medicine was given for confirming the role of Helicobacter
- The movement of cilia and flagella is due to the presence of
- Female gametophyte of a heterosporous fern is
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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