A) 1 : 2 : 2
B) 1 : 1 : 2
C) 2 : 1 : 1
D) 2 : 2 : 1
Correct Answer: B
Solution :
Calories are needed to provide energy so, the body functions properly. The number of calories in a food depends on the amount of energy the food provides. The number of calories a person needs depends on age, height, weight, gender and activity level. People who consume more calories than they bum off in normal daily activity or during exercise are more likely to be overweight. Fat (1 gram) = 9 calories Protein (1 gram) = 4 calories Carbohydrates (1 gram) = 4 calories Triglycerol is an ester derived from glycerol and three fatty acids. It is the main constituent of vegetable oil and animal fats. Therefore, the approximate ratio of the energy content in kcal/g of carbohydrate: protein : triglycerol is 1 : 1 : 2.
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