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
[{'content': 'Egg is ideal protein because it has - \nSelect and explain. \nA. High cholesterol, B. High protein per 100 gm, C. High biological efficiency and NPU, D. No limiting amino acid', 'role': 'user'}, {'content': "Answer: C \nExplanation: - egg is considered to be the best among food proteins because of their high biological value and digestibility. - it is considered as the reference protein. Reference : Park's textbook of preventive and social medicine, 25th edition, pg no:687<\\p>", 'role': 'assistant'}]