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Which light influence the opening of …

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Which light influence the opening of stomata

Posted by Chandan Kumar 5 years, 11 months ago

CBSE > Class 10 > Science

2 answers

Yogita Ingle 5 years, 11 months ago

At a light intensity of about 1/30 of full sunlight, potassium and chloride ions move into the guard cells from surrounding tissue. Water follows by osmosis and, as the internal pressure rises, the guard cells bulge apart from each other, causing the stomata to open.
This allows the gas exchange required for photosynthesis to take place.
In darkness, leaving the stomata open might risk damage to the leaf by dehydration.

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Cool Minded?? 5 years, 11 months ago

Blue and red

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CBSE > Class 10 > Science