If a cell shrinks when placed in a solution, what will be the tonicity of the solution when compared to cell solution?
Hypertonic
It is given that the cell shrinks in the solution. i.e. water is going out of the cell. This means that the solute concentration is more in the solution as compared to the cell. Hence, the solution is hypertonic to the cell cytoplasm as water always moves from a hypotonic solution (less solute concentration) to a hypertonic (more solute concentration) solution.