Correct option is C
Ans. (c) Carbohydrates
Sol. Carbohydrates provide
4 kcal per gram of energy and are the primary source of energy for the body. They are broken down into glucose, which fuels cellular activities.
Explanation of each option:
·
(a) Fat – Provides
9 kcal per gram, making it the most energy-dense macronutrient.
·
(b) Vitamin – Vitamins do not provide energy; they assist in metabolic processes.
·
(c) Carbohydrates –
Correct answer. They provide
4 kcal per gram, making them a key energy source.
·
(d) Mineral Salt – Minerals do not provide energy but are essential for body functions like nerve signaling and bone health.