This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
Mid-day meals provided in schools provide- 
Select and explain. 
A. 1\/2 of total calories & 1\/2 of protein, B. 1\/3 of total calories & 1\/2 of protein, C. 1\/2 of total calories & 1\/3 of protein, D. 1\/3 of total calories & 1\/4 of protein
B: 1\/3 of total calories & 1\/2 of protein
Answer: B: 1\/3 of total calories & 1\/2 of protein 
Explanation: The meal should be atleast one-third of the total energy requirement and half of protein need.REF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-611.