Monosaccharides are simple carbohydrates that are composed of a single ringed sugar unit.
Examples of monosaccharides:
Fructose - the sugar found in fruit.
Deoxyribose - used in DNA molecules.
Galactose - a sugar produced when milk is broken down into simple sugars
Glucose - the main sugar molecule used by cells for energy
This is an image of a monosaccharide glucose sugar molecule: