Question

what occupies the space between the cell wall and the shrunken protoplast in the plasmolysed cell?

Answer 1

Plasmolysis is the phenomenon by which plant cell loses water and the protoplasm moves away from the cell wall and a gap is created between the cell wall and the cell membrane.
In some plasmolysed bacterial cells, this space remained empty though these cells are connected with other cells through protoplasmic extensions.

Hypertonic solutions

Answer 2

The space between the cell wall and the shrunken protoplast in the plasmolysed cell is occupied by the HYPERTONIC SOLUTION IN WHICH THE CELL IS KEPT.

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