Significance of carbohydrates includes:
1. They are energy stores of animals and plants.
2. They are immediate source of energy.
3. They make up most about 60-80% of dry mass of plants.
4. They are used as stored energy form like starch in plants and glycogen in animals.
5. Cellulose carbohydrates is a structural component of the cell wall of plants.
6. They act as fuel to physical body parts on daily basis.
7. They help in breakdown of fatty acids and prevent ketosis.
8. They also act as flavor and sweeteners.