Plasmolysis can be used for

$A$ cell is placed in $0.4 \; M$ solution of sugar and no change in volume of cell is found. What is the concentration of the cell sap (in $; M$)?

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

To initiate cell plasmolysis,the salt solution should be

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

After the completion of the thistle funnel experiment,if sugar is added to the beaker,the liquid level in the thistle funnel will $.............$