Igcse Model Questions Vol1 2018 Biology Question 3
Practice objective / multiple choice question 3 from the 2018 Igcse Model Questions Vol1 Biology examination.
A 12‑year‑old boy eats \(250\ \text{g}\) of food per day. The food composition by weight is \(55\%\) carbohydrate, \(30\%\) fat and \(15\%\) protein. Energy yields are \(4\ \text{kcal g}^{-1}\) for carbohydrate and protein, and \(9\ \text{kcal g}^{-1}\) for fat. His basal metabolic rate (BMR) is \(1200\ \text{kcal day}^{-1}\) and he requires an additional \(300\ \text{kcal day}^{-1}\) for activity. What percentage of his total daily energy requirement is supplied by the protein in his diet?
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This is Igcse Model Questions Vol1 2018 Biology Question 3. It is one of the objective questions from the 2018 Igcse Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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