Stoma opens when...

Stoma opens when

A

guard cells swell due to a decrease in their water potential.

B

guard cells swell up due to an increase in their water potential.

C

guard cells swell by endosmosis due to efflux of potassium ions.

D

guard cells swell by endosmosis due to influx of hydrogen ions (protons).

Verified by Experts

The correct Answer is:

A

Similar Questions

Explore conceptually related problems

[A]: High pH in guard cells activate phosphorylase to convert starch into glucose 1- PO_4 . [R]: Stomata open when pH is low

[A]: Stomata open when guard cells have more H^+ . [R]: Increased K^+ concentrations results in exo-osmosis in guard cells.

Stomata open and close due to

When stomata open, the pH of guard cells

When stomata open only at night they are called

Answer the following : What happens when crystals of washing soda are left open in dry air ?

Stomata open at night and close during the day time in