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

When a cell is placed in a hypertonic solution,it undergoes plasmolysis. What is found between the cell wall and the plasma membrane at that time?

Movement of water by diffusion is called

Which among the following represents the correct relationship for a plasmolysed cell?

$A$ grafted flower is kept in saline water because:

Select the correct option:
$(1)$ In the movement of water through the $Apoplast$ / $Symplast$ pathway,there is no barrier.
$(2)$ If the external solution is less concentrated than the cytoplasm,it is called $Hypotonic$ / $Hypertonic$.