WAEC Biology 2013 Objective — Question 30
Question 30 of 60 from the West African Examinations Council (WAEC) Biology 2013 Objective paper, with the correct answer and a full explanation.
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The correct arrangement of food classes of the same quantity in the order of magnitude of energy value in animals in descending order is
- A. Carbohydrates, fats and oils, water, protein
- B. Fats and oils, carbohydrates, protein, waterCorrect
- C. Water, facts and oils, carbohydrates, protein
- D. Protein, fats and oils, water and carbohydrates
Explanation
The energy value of fats and oils is higher than that of carbohydrate. For instance, 1g of carbohydrate has an energy value of 16.7 kJ whereas 1g of fat has a whopping 37.6 kJ.
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