In nutrition, how many kilocalories (Calories) are provided by 1 gram of carbohydrate?

• A. 4 Calories per gram
• B. 9 Calories per gram
• C. 2 Calories per gram
• D. 7 Calories per gram

Answer: (A)

Verified step by step guidance

1. Understand that in nutrition, the energy provided by macronutrients is measured in kilocalories (Calories). Each macronutrient—carbohydrates, proteins, and fats—provides a specific amount of energy per gram.
2. Recall the standard energy values for macronutrients: carbohydrates provide 4 Calories per gram, proteins provide 4 Calories per gram, and fats provide 9 Calories per gram.
3. Identify that the question asks specifically about carbohydrates, so focus on the energy value associated with carbohydrates.
4. Use the known nutritional fact that 1 gram of carbohydrate yields 4 kilocalories (Calories) of energy.
5. Conclude that the correct answer to the question is 4 Calories per gram for carbohydrates.