Why does the vacuole occupy most of the space in a plant cell?

Question

Why does the vacuole occupy most of the space in a plant cell?

Answer 1

Vacuole occupy most of the space in a plant cell as it like a "storeroom" of a plant cell. After photosynthesis, C6H12O6 molecules will move into phloem and to the vacuole.

Answer 2

It is full of water. Water makes  up the majority of plant cells and keeps the cells turgid, which means "swollen" and firm.

Answer 3

give the cell its structure

Answer 4

Because it helps the cell keeps its shape and also keeps it moist with the fluid contained inside, therefore it has to be a pretty decent size.