Question

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

Explanation:

Chromosomes carry DNA which has genetic information for cell - growth, development and activities. Storing water etc. is function of vacuoles, breaking down sugar is related to mitochondria, and giving strength to cell is function of cell - wall.

Answer:

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