Multiple choice What is Coeliac Disease? Allergic to Lactose Intolerance to Gluten Intolerance to Fibre Allergic to Sesame Seeds Reveal answer Fill a bubble to check yourself B Correct answer Explanation Coeliac disease is an autoimmune condition where the body reacts negatively to gluten, a protein found in wheat, barley, and rye. It is not an allergy in the traditional sense, but an intolerance that damages the lining of the small intestine.