Multiple choice general knowledge Which of the following is not a carbohydrate? Sucrose Starch Wax Maltose Reveal answer Fill a bubble to check yourself C Correct answer Explanation Wax is a lipid (fat), not a carbohydrate. Sucrose, starch, and maltose are all carbohydrates - sucrose and maltose are disaccharides, starch is a polysaccharide. Waxes are esters of long-chain fatty acids with long-chain alcohols.