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

The process of osmosis shall cease when:

An onion peel was taken and
$(a)$ placed in salt solution for five minutes.
$(b)$ after that it was placed in distilled water.
When seen under the microscope,what would be observed in $(a)$ and $(b)$?

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

Which of these is a Semipermeable Membrane $(SP)$ and which is Selectively Permeable $(SL)$? : Egg membrane

Describe: Osmosis.