You won't believe these 10 facts about people. Monosaccharides are a type of simple carbohydrate, or simple sugar. The word comes from the Greek manos, or single, and sacchar, sugar. The designation carbohydrate means that organic material is a combination of carbon and water, like sugars.ou won't believe these 10 facts about people. Monosaccharides are a type of simple carbohydrate, or simple sugar. The word comes from the Greek manos, or single, and sacchar, sugar. The designation carbohydrate means that organic material is a combination of carbon and water, like sugars.