Assertion. (A): Concentration of ions is significantly higher in the vacuole than in the cytoplasm.
Resons(R): Tonoplast facilitates active -transport of ions against concentration gradient into vacoule.

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Both A and R are true and R is the correct explanation of A.

A is true and R is false

A is false and R is true

Both A and R are true but R is not the correct explanation of A

answer is A.

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Detailed Solution

Concentration of ions is significantly higher in the vacuole than in the cytoplasm.

The tonoplast facilitates active transport of ions against the concentration gradient into vacuole.

Tonoplast is the membrane of vacuole rich in many transport proteins.

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