Digestion and Absorption — Bio Zoology STD 11 — Question

Proteins are a source of amino acids required for the growth and repair of body cells. They are stored in the body only to a certain extent; large quantities are excreted as nitrogenous waste. The caloric value and physiological fuel value of one gram of protein are 5.65 Kcal and 4 Kcal respectively. According to ICMR (Indian Council of Medical Research) and WHO (World Health Organization), the daily requirement of protein for an average Indian is 1 gm per 1 kg body weight.