1. are macronutrients made of simple sugars and yield 4 cal/g energy. 2. are macronutrients made of amino acids and also yield 4 cal/g energy. 3. are macronutrients with the highest energy yield, 9 cal/g energy.

1.Carbohydrates are macronutrients made of simple sugars and yield 4 cal/g energy.

2. Proteins are macronutrients made of amino acids and also yield 4 cal/g energy.

3. Fats are macronutrients with the highest energy yield, 9 cal/g energy.

Explanation:

Nutrients are essential substance present in our food that are required by our body for proper growth, protection and carrying out various activities.

Nutrients have been divided in following categories :

Depending on the nutrient present in the food, it has been classified as:

Energy giving food which are rich in carbohydrates and fats.

Body building food which are rich in protein.

Protective food which are rich in Minerals and vitamins.

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