Correct option is B
Ans (b)
Sol. 8 calories: This is not the correct value for the energy provided by 1 gram of fat.
9 calories: 1 gram of fat provides approximately 9 calories of energy, making it the most energy-dense macronutrient.
4 calories: This is the amount of energy provided by 1 gram of carbohydrates or protein, not fat.
6 calories: This is not the correct value for fat.