The cell is surrounded by a solution that has same concentration of solute particles as the cytosol inside.That means the cytosol of the cell is isotonic to the solution in which the cell is kept.
As a result the cell will neither swells nor shrinks and the volume of the cell remains constant.
<span>The picture explains everything, but in more simpler terms. The plant uses sunlight and chemicals inside itself to create food. In this case it is glucose.</span>
