NEET 2015 Botany Stomatal Movement MCQ Question with Solution

Which one gives the most valid and recent explanation for stomatal movement?

A

Starch hydrolysis

B

Guard cell photosynthesis

C

Transpiration

D

Potassium influx and efflux

Correct Answer

Option A

Detailed Explanation

Stomatal movement is primarily regulated by the influx and efflux of potassium ions, affecting turgor pressure in guard cells.

Found an issue with this question?

Related Questions

More from Plant Physiology

The movement of plant and its parts in response to light is called

Botany

The given figure indicates the stages of seed germination. Identify A, B, C and D respectively.

Botany

More from 2015

Assertion (A) A solution of sucrose in water is dextrorotatory while on hydrolysis in presence of little hydrochloric acid, it becomes laevorotatory. ...

CarbohydratesChemistry

Assertion (A) A mixture of o-nitrophenol and p-nitrophenol can be separated by steam distillation. Reason (R) p-nitrophenol is steam volatile whereas ...

PhenolsChemistry

Consider the diagram shown below. A voltmeter of resistance 150 Ω is connected across A and B. The potential drop across B and C measured by voltmete...

Famous PersonalitiesPhysics

Explore More Questions

All Botany Questions Photosynthesis in Higher Plants Questions NEET 2015 PYQ