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Explain mechanism of opening and closing of stomata in plants.
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When water flows into the guard cells they swell and causing stomatal pore to open. (1 Mark)
When water flows out the guard cells shrink causing stomatal pore to close. (1 Mark)
When water flows into the guard cells they swell and causing stomatal pore to open. (1 Mark)
When water flows out the guard cells shrink causing stomatal pore to close. (1 Mark)