When a cell shrinks, what is this process known as?

If we apply pressure from the top on the solution in the stem of a thistle funnel, we can prevent the entry of water through osmosis. The pressure at which the entry of water through a semi-permeable membrane is stopped is called ........

Define: Osmosis.

$A$ gardener forgot to water a potted plant for a day during summer. What will happen to the plant? Do you think it is reversible? If yes,how?

Definitions / Explanation:
$(1)$ Plasmolysis
$(2)$ Deplasmolysis

When a plant dies due to the application of excessive fertilizer,the reason is that the fertilizer causes: