How much amount of energy is yielded by one gm of alcohol in the body?: (A) 1 cal, (B) 4 cal, (C) 7 cal, (D) 9 cal
Answer is C. Alcohol supplies about 7cal/gm of energy. Energy yield of macro-nutrients (Proximate principles): Nutrient Energy yield Carbohydrates 4 cal per gram (17 KJ) Proteins 4 cal per gram (17 KJ) Fats 9 cal per gram (37 KJ)