'प्रोटीन' (protein) की कमी से होने वाला रोग:

उत्तर: (D) Kwashiorkor and Marasmus — Kwashiorkor: protein deficiency (swollen belly, edema). Marasmus: protein + calorie deficiency (emaciated). Both common in children in developing countries. Protein sources: dal, milk, eggs, meat, soy...