Carbohydrates are divided into two categories based on taste. These are-
(i) Sugar: Carbohydrates that are sweet, granular and soluble in water are called sugars. Such as glucose, fructose, sucrose etc.
(ii) Non-sugar: Carbohydrates which are not sweet, granular and insoluble in water are called non-sugars. Such as starch, cellulose, glycogen etc.