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Question
The opening and closing of the stomatal pore depends upon
Options
oxygen
temperature
water in guard cells
concentration of CO2 in stomata
Solution
water in guard cells
Explanation -
The injection of water into guard cells facilitates guard cell opening. As a result, the guard cell becomes turgid. Water seeping from guard cells assists in guard cell closure. As a result, the guard cells will become flaccid.
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