Question

Which part of the cell stores waste until it can be removed?

Answer 1

Answer: Vacuole

Answer choices:

Cell membrane
Mitochondrion
Nucleus
Vacuole

Vacuoles are membrane-bound structures found in both  animal and plant cells. 

They have three important functions in plants --  provide support or rigidity, a storage for nutrients and waste matter until it can be removed,  and decompose complex molecules.