Which one of the following is not a source of energy?
Protein
Fat
Vitamin
Carbohydrate
C.
Vitamin
Vitamins are not sources of energy. A vitamin is an organic molecule that is an essential micronutrient that an organism needs in small quantities for the proper functioning of its metabolism. Protein, fat, and carbohydrates are substrates for cellular respiration to provide energy to a living cell system.
Which one of the following is not a non-communicable disease?
Hypertension
Arthritis
Rickets
Cholera