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Standard IX
Biology
Balanced Diet
Question

An average small hamburger has 280 cal. This hamburger has 10 g of fat, 25 g of carbohydrates and 18 g of proteins and other micronutrients. Calculate the percentage of calories from fat, carbohydrate and protein
  1. 32% of calories from fat, 35.8% of calories from carbohydrate and 25.8% of calories from protein
  2. 35.8% of calories from fat, 32% of calories from carbohydrate and 25.8% of calories from protein
  3. 90 calories from fat, 100 calories from carbohydrate and 72 calories from protein
  4. 100 calories from fat, 72 calories from carbohydrate and 72 calories from protein

A
32% of calories from fat, 35.8% of calories from carbohydrate and 25.8% of calories from protein
B
35.8% of calories from fat, 32% of calories from carbohydrate and 25.8% of calories from protein
C
100 calories from fat, 72 calories from carbohydrate and 72 calories from protein
D
90 calories from fat, 100 calories from carbohydrate and 72 calories from protein
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Solution
Verified by Toppr

The caloric content chart shows
Fat: 1 gram = 9 Calories
Protein: 1 gram = 4 Calories
Carbohydrates: 1 gram = 4 Calories
To calculate the percentage of calories :

1. Multiple each macronutrient by the number of calories per gram:

Fat 10gms*9 calories/gm= 90 calories,

Protein- 18gms*4 calories/gm= 72 calories

Carbohyrates= 25 gm*4 calories/gm= 100 calories

2. Add all the calories of macronutrients= 90+72+100= 262 calories

3. Divide each calorie from total number of calories in the diet

Fat= 90/280= 0.32 or 32%,

Proteins- 72/280 -0.258 or 25.8%,

Carb-100/280- 35.8%

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