This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Which among the following is having the maximum biological value? \nSelect and explain. \nA. Egg, B. Milk, C. Soybean, D. Pulses', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Biological Value (BV) of Protein It is the ratio between the amount of nitrogen retained and nitrogen absorbed during a specific interval. BV= Retained nitrogen x 100/Absorbed nitrogen Source of protein Biological Value Egg 90 Milk 84 Meat 80 Fish 85 Rice 64 Wheat 58 Bengal gram 58 Groundnut 54 Soybean 64 Ref: Textbook of Biochemistry for Medical Students By Dm Vasudevan, 2010, Page 438-439.', 'role': 'assistant'}]