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Transport in Plants

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  1. Stomata of a plant open due to
    1. influx of calcium ions
    2. influx of potassium ions
    3. efflux of potassium ions
    4. influx of hydrogen ions
Correct Option: B

During day time, due to photosynthesis, malic acid forms, which breaks into H+ and malate. H+ ions move out of guard cells and K+ ions enter forming potassium malate which makes guard cells turgid and stomata opens.


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