Question

what polysaccharide or complex sugar do plants use to store excess/extra sugar?
starch
glucose
cellulose
glycogen
rewatch

Explanation:

Plants store excess sugar as starch. Glucose is a monosaccharide, not a storage polysaccharide for plants. Cellulose is used for structural support in plant cell - walls. Glycogen is the storage polysaccharide in animals.

Answer:

starch