Question

what is the main function of chromosomes in a plant cell?
to give structure and organization to the cell
to contain the information that the cell uses for growth and activities
to store water, waste, and nutrients, such as sugar, in the cell
to break down sugar and release energy that the cell can use

Explanation:

Chromosomes carry DNA, which holds genetic info for cell growth and activities. Structure/organization is from the cytoskeleton. Storage is vacuoles. Energy release is mitochondria.

Answer:

to contain the information that the cell uses for growth and activities