Q. Opening and closing of stomatal pore depends on
a) Atmospheric temperature
b) Oxygen concentration around stomata
c) Carbon dioxide concentration around stomata
d) Water content in guard cells
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1
Answer:
And during night due to unavailability or scarcity of water the stomata remain close as the guard cell becomes flaccid. Therefore, we can say that the opening and closing of the stomatal pore depends upon the water in guard cells. Hence, the correct answer is 'C'. Water in guard cells.
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8
Answer:
water content in guard cells
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