The food that gives more calories per unit mass of food is

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WBCS Prelims 2019 Official Paper
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  1. Protein
  2. Carbohydrates
  3. Fat
  4. Water

Answer (Detailed Solution Below)

Option 3 : Fat
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Detailed Solution

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The correct answer is Fat.

  • Fat is the food that gives more calories per unit mass of food.
  • Fats are a major source of energy and help the body absorb vitamins.
  • They are also known as triglycerides

Important Points

Energy Source Calories per gram
Fats 9
Proteins 4
Carbohydrates 4

Additional Information

  • Fats are generally insoluble in water and mainly of two types-

Saturated Fat:

  • They are responsible for bad cholesterol and are found in cheese, milk etc. 
  • They are fatty acids of single bonds

Unsaturated Fat:

  • They are fats with at least one double bond within fatty acid.  
  • They are also called good cholesterol fats.

Trans Fats:

  • These fats are largely produced artificially but a small amount also occurs naturally.
  • They raise total cholesterol levels and also reduce good cholesterol.
  • The major sources of artificial TFAs are partially hydrogenated vegetable oils.
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