HUMAN NUTRITION

Detailed explanation-1: -The correct answer is (E) Water.

Detailed explanation-2: -Vitamins, minerals and water do not provide any calories, but they are still essential nutrients.

Detailed explanation-3: -Of these six nutrients, carbohydrates, protein and fats provide calories. Each gram of carbohydrate and protein yield 4 calories/gram. Each gram of fat yields 9 calories.

Detailed explanation-4: -Whether you are trying to lose weight, gain weight or maintain your weight is one factor that affects how many calories you should consume. Other factors involved include your basal metabolic rate, activity level and stage in life, as growing children and pregnant and lactating women have higher caloric needs.