A balanced diet is one that

  1. contains all nutrients in the correct proportions
  2. has as much fat as possible
  3. contains only proteins
  4. contains no carbohydrates
Answer

A) contains all nutrients in the correct proportions

Definition of a balanced diet. O Level Biology · Topic 8 Human Nutrition · 8.1 Diet

Biology MCQ · More O Level Biology: Human Nutrition MCQs · Practise