Osmosis is the property of

$A$ freshly cut potato slice is placed into a strong sugar solution. Later,its cells are found to be:

When a freshly collected $Spirogyra$ filament is kept in a $10\%$ potassium nitrate solution,it is observed that the protoplasm shrinks in size.
$(a)$ What is this phenomenon called?
$(b)$ What will happen if the filament is replaced in distilled water?

What is the movement of water by diffusion called?

$A$ plasmolysed cell can be deplasmolysed by placing it in

In which type of solution should a cell be placed to induce plasmolysis?