Why can a diet be incomplete even when calories are adequate?
Answer and explanation
Correct answer: Because vitamins, minerals, protein and fibre may be lacking
Calories measure the energy supplied by food, but they do not show whether the diet provides enough protein, vitamins, minerals, fibre, essential fatty acids, or water. A person may obtain sufficient energy from refined or high-fat foods while still developing nutrient deficiencies. Therefore, nutritional adequacy requires both enough energy and a varied supply of essential nutrients; calories alone cannot define a balanced diet.
Frequently asked questions
What is the correct answer to this question?
Because vitamins, minerals, protein and fibre may be lacking
Why is this the correct answer?
Calories measure the energy supplied by food, but they do not show whether the diet provides enough protein, vitamins, minerals, fibre, essential fatty acids, or water. A person may obtain sufficient energy from refined or high-fat foods while still developing nutrient deficiencies. Therefore, nutritional adequacy requires both enough energy and a varied supply of essential nutrients; calories alone cannot define a balanced diet.
Which subject and chapter does this question cover?
This is a Class 11 Home Science question. Chapter: Food, Nutrition, Health and Fitness. Topic: Balanced diet and Recommended Dietary Allowances.
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