NEET BIOLOGY

BIOLOGY IN HUMAN WELFARE

HUMAN HEALTH AND DISEASE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which nutrient supplies the most calories per gram?
A
carbohydrates
B
fats
C
protein
D
water
Explanation: 

Detailed explanation-1: -A gram of carbohydrate has 4 calories. A gram of protein has 4 calories. A gram of fat has 9 calories-more than twice as much as the other two.

Detailed explanation-2: -Of the three major calorie sources (fat, protein and carbohydrate), fats have the most calories per gram making fat-rich foods the most common calorie-dense foods.

Detailed explanation-3: -Carbohydrates provide 4 calories per gram, protein provides 4 calories per gram, and fat provides 9 calories per gram.

Detailed explanation-4: -Energy Sources (kcal/g) Fat is the most energy-dense nutrient, because it provides the most calories per gram (more than double carbohydrates and protein).

Detailed explanation-5: -Nutrition Facts: What are Lipids? Lipids are fats, and they provide the body with nine calories per gram, making them the most energy rich component of food.

There is 1 question to complete.