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Question : Assertion :- Potassium plays an important role in opening and closing of stomata. Reason:- In cells K can be found in free form and regulate osmotic potential of cell.

Answer»

If both ASSERTION and REASON are TRUE and reason is the CORRECT EXPLANATION of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.

Answer :A


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