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Potassium pump theory was given for

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An Intiative by Sri Chaitanya

Ascent of sap in xylem

Opening and closing of stomata

Uptake of minerals ions

Translocation of sugars from source to sink

answer is B.

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Detailed Solution

Levitt explained the influx of K⁺ in the guard cells and their role in the stomatal movement. According to this theory, the stomatal opening and closing depends on the generation of a potassium ion gradient.

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