​1 gram carbos contains ____ calories​

Correct option is B

1 gram of carbohydrates provides 4 calories of energy. Carbohydrates are one of the primary sources of energy for the body. This is a standard value used in nutrition science to estimate the energy content of food.

• Carbohydrates are broken down by the body into glucose, which is used for energy. A gram of carbohydrates yields 4 calories.

Information Booster:

• Carbohydrates are essential for energy production, especially for the brain and muscles. They can be found in foods like fruits, vegetables, grains, and legumes.
• In terms of energy, carbohydrates are more easily converted by the body than fats (which provide more energy per gram) and proteins.

Additional Knowledge (Incorrect Options):

• (a) 9 calories: This is the energy provided by fats per gram, not carbohydrates.
• (c) 5 calories: This is incorrect because the energy content of carbohydrates is 4 calories per gram.
• (d) More than one of the above: This is incorrect as only 4 calories is correct for carbohydrates.
• (e) None of the above: This is incorrect because 4 calories is indeed the correct amount of energy per gram of carbohydrates.