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NCERT Exemplar Solutions Class 9 Science Solutions for The Fundamental Unit of Life - Exercise in Chapter 5 - The Fundamental Unit of Life

Question 20 The Fundamental Unit of Life - Exercise

A cell will swell up if

Answer:

(b) The concentration of water molecules in the surrounding medium is higher than water molecules concentration in the cell.

Explanation:

When the concentration of water molecules in the surrounding medium is higher than water molecules concentration in the cell, water from the surrounding enters the cell through osmosis and the cell swells up.

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