Question

What is meant by tue process plasmolysis

Answer 1

when the water concentration in surrounding of cell is lower than inside of cell the cell loses water though osmosis which results in shrinkage of cell and movement of its organelles towards the center away from cell wall
.this is known as plasmolysis.

Answer 2

when a cell is placed in hypertonic solution then it loses its water due to exosmosis as inside cell water potential is more than outside the cell. water moves out of the cell and cell shrinks