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Question
Which process is responsible for controlling the movement of guard cells?
Which process is responsible for controlling the movement of guard cells?
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Solution
The correct option is B Osmosis
Osmosis is the process which regulates the opening and closing of stomata by guard cells. When potassium ions accumulate in the cells, the water potential drops and endosmosis occurs making the cell turgid. This causes the cells to take a shape so that the stomatal pore is opened up. When water moves out of the cells, the cells become flaccid and the pore closes.So, the correct answer is 'Osmosis'.
Osmosis is the process which regulates the opening and closing of stomata by guard cells. When potassium ions accumulate in the cells, the water potential drops and endosmosis occurs making the cell turgid. This causes the cells to take a shape so that the stomatal pore is opened up. When water moves out of the cells, the cells become flaccid and the pore closes.
So, the correct answer is 'Osmosis'.
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