Answer:
Provide physical support.
Explanation:
Carbohydrates are the one of the biomolecules of the living organisms. These are made up of polymers of sugars linked through the glycosidic linkages. Carbohydrates provide structural and functional support to the organisms.
Cellulose is present in the plants, as a type of carbohydrates. The cellulose consists of sugar molecules made up of two subunits called amylose and amylopectin. Cellulose is present in the plant cells that provide physical support to plants to with stand at unfavorable conditions.
Thus, the correct answer is option (a).
