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Question

Which element has high concentration in plants, as compared to sodium?

A
Potassium
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B
Calcium
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C
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D
none
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Solution

The correct option is A Potassium
Plants need a small amount but high concentration of K for specific functions in the cytoplasmand a major portion (∼90%) of it is localized in vacuoles, where it acts as an osmoticum. Maintenance can be achieved by other cation like sodium too .

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