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
The meal provided in mid-day meal program should supply at least - 
Select and explain. 
A. 1\/2 of proteins and 1\/2 of the calories required per day, B. 1\/2 of proteins and 1\/3 of the calories required per day, C. 1\/3 of proteins and 1\/3 of the calories required per day, D. 1\/3 of proteins and 1\/2 of the calories required per day
B: 1\/2 of proteins and 1\/3 of the calories required per day
Answer: B: 1\/2 of proteins and 1\/3 of the calories required per day 
Explanation: The meal should supply at least 1/2 of proteins and 1/3 of the calories required per day. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 611