Due to plasmolysis,the plant cell

All of the following involve osmosis,except:

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?

In the thistle funnel experiment,what happens due to endosmosis?

$A$ cell when immersed in a solution,increases in volume,so the external solution is

When certain marine organisms are placed in distilled water,they ultimately die. Which could be the most likely explanation?