Importance of a Balanced Diet


 Importance of a Balanced Diet

What is a balanced diet?
A balanced diet is a diet that contains all the food classes in the right quantities that are required by the body.

Food Pyramid


Source : Science Text Book Form 2 


Factors that Influence Calorific Requirement

  1. Body size
  2. Age
  3. Work
  4. Gender
  5. State of health
  6. Climate

Calorific Value of Food

  • The total amount of energy released when 1 g of of food is burned is called energy value or calorific value.

1 calorie (cal) = 4.2 joule (J)     

1 kilocalorie (kcal) = 4.2 kilojoule (kJ)