| ⇦ | 
| ⇨ |
Which one gives the most valid and recent explanation for stomatal movements ?
Options
(a) Potassium influx and efflux
(b) Starch hydrolysis
(c) Guard cell photosynthesis
(d) Transpiration
Correct Answer:
Potassium influx and efflux
Explanation:
The opening and closing of stomata are caused by influx and efflux of potassium ions (K⁺). The increase of K⁺ results in opening of stoma and decrease of K⁺ causes closing of stoma. The turgidity of guard cells induces to open the pores of stomata found on the surface of leaves.
Related Questions: - The type of muscles present in our:
- The total number of progeny obtained through dihybrid cross of Mendel is 1280
- Genus represents
- Columns of Bertini in the kidney of mammals are formed as the extension of
- The correct sequence of plants in a hydrosere is:
Topics: Human Health and Disease
(70)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The type of muscles present in our:
- The total number of progeny obtained through dihybrid cross of Mendel is 1280
- Genus represents
- Columns of Bertini in the kidney of mammals are formed as the extension of
- The correct sequence of plants in a hydrosere is:
Topics: Human Health and Disease (70)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply