Question

how do guard cell regulates opening and closing of stomata

Answer 1

the opening and closing of stomata is a function of the guard cells...when water enters the guard cell, they swell up and the stomata opens up and when water leaves the guard cells they deflate and therefore the stomata closes..

Answer 2

Hi dear.....


Here is ur ans.....


Guard cells use osmotic pressure to regulate opening and closing if stomata....
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As when there is high amount of solute concentration in guard cells then water comes in the guards cells from mesophyll cells...
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Ans when there is high solute concentration in mesophyll cell water comes in it through the process called osmosis...
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This regulation of water cause the stomata open and close. ..
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Hope it hlps...

Have a nyc day dear..