The primary sources of energy and comprise a significant part of a diet..They provide 4kcal of energy per gram.

Question

1) glucose
2) fiber
3) starch
4) carbohydrates

Answer 1

The correct answer is 4) carbohydrates.

Carbohydrates are the primary sources of energy in the diet and provide 4 kcal of energy per gram. This category includes sugars (like glucose) and starches, while fiber is a type of carbohydrate that is not digestible, hence it does not provide energy in the same way.