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Question

Stomata of a plant open due to


A

influx of potassium ions

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B

Efflux of potassium ions

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C

Influx of hydrogen ions

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D

Influx of calcium ions

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Solution

The correct option is A

influx of potassium ions


The influx of potassium ions increases the concentration of the sap in the guard cells leading to endosmosis and then the opening of the stomata.

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