BIOLOGY IN HUMAN WELFARE
HUMAN HEALTH AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Carbohydtare
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Protein
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Fat
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Vitamin
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Detailed explanation-1: -The correct answer is Fats. Fats have the highest gross calorific value.
Detailed explanation-2: -Fat: 9 Calories per Gram Fat provides the most energy of all the macronutrients, at a whopping 9 calories per gram.
Detailed explanation-3: -Ethanol and fats have the highest amount of calorific value per gram i.e. 29 and 37 kilojoules per gram or 6.9 and 8.8kcal/g respectively and proteins and most carbohydrates both have about 17kJ/g or 4kcal/g.
Detailed explanation-4: -Fats are the slowest source of energy but the most energy-efficient form of food. Each gram of fat supplies the body with about 9 calories, more than twice that supplied by proteins or carbohydrates. Because fats are such an efficient form of energy, the body stores any excess energy as fat.