1 gram of fat gives how many calories ?

Question

Accepted Answer

1 gram of fat gives how many calories?

Correct Answer: Option 3 (9 cal.)

Explanation:

1. **Why Option 3 is Correct:**
   - Fats are a macronutrient that provide energy to the body. They are a dense source of energy, and it is well-established in nutritional science that 1 gram of fat provides approximately 9 calories. This is a fundamental concept in nutrition and is widely accepted in dietary guidelines and nutritional education. Therefore, Option 3 is correct because it accurately reflects the caloric content of fat.

2. **Why Other Options are Incorrect:**
   - **Option 1 (4 cal.):** This option is incorrect because 4 calories per gram is the caloric content typically associated with proteins and carbohydrates, not fats. Both proteins and carbohydrates provide about 4 calories per gram, which is significantly less than the energy provided by fats.
   - **Option 2 (10 cal.):** This option is incorrect because it overestimates the caloric content of fat. While fats are energy-dense, they provide 9 calories per gram, not 10. There is no scientific basis for the claim that fats provide 10 calories per gram.
   - **Option 4 (12 cal.):** This option is incorrect because it greatly overestimates the caloric content of fat. No macronutrient provides 12 calories per gram. The established caloric value for fats is 9 calories per gram, making Option 4 an inaccurate representation of the energy provided by fats.

In conclusion, Option 3 is the correct answer because it accurately represents the caloric content of fats, which is 9 calories per gram. This is a well-documented and universally accepted fact in the field of nutrition.