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CET Biology 12
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The calorific values of carbohydrates, proteins and fats respectively are
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A
4.1 k cal/g, 5.65 k cal/g and 9.45 k cal/g
💡 Explanation:
Carbohydrates provide 4.1 kcal/g, proteins provide 5.65 kcal/g, and fats provide 9.45 kcal/g. This explains why fats are the most energy-dense macronutrients at over twice the caloric density of carbohydrates. Option D is incorrect as these are standard physiological fuel values.