A plasmolysed cell can be deplasmolysed by placing it in _____________.

Pure water or hypotonic solution

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Hypertonic solution

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Isotonic solution

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Saturated solution

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Solution

The correct option is A Pure water or hypotonic solution
The swelling up of a plasmolysed protoplast under the influence of hypotonic solution or water is called deplasmolysis. It is due to endosmosis. Deplasmolysis is possible only immediately after plasmolysis otherwise the cell protoplast becomes permanently damaged. During deplasmolysis water diffuses into protoplast.

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(a) Isotonic sugar solution (b) Hypotonic salt solution

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