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Question

List all those components of food that provide nutrients. Mention two components of food that do not provide nutrients.


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Solution

Components of food that provide nutrients:

  1. Carbohydrates - It is the main source of energy for humans. It is consumed as fiber, sugar, and starch.
  2. Fats - It is the most important source of calories. 1 gram of fat has 9 calories.
  3. Proteins - They are made of amino acids and are important for cell preparation and energy. Protein-rich foods are nuts, lentils, beef, rice, chicken, etc.
  4. Vitamins and minerals - They are essential nutrients required in a daily diet. Altogether, there are 13 essential vitamins and many minerals which are needed for the body to function properly and maintain optimal health.

Components of food devoid of nutrients:

  1. Roughage - It cannot be broken down by the body so it does not provide any nutrients.
  2. Water - It is devoid of nutrients and calories but is still important for the body.

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