This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
[{'content': 'P.Q.L.I is \nSelect and explain. \nA. IMR, Life Expectancy at 1year of age, literacy, B. MMR, Life expectancy, literacy, C. MMR, IMR, Life expectancy, D. IMR, Life expectancy at 1 year of age, SE status', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Physical Quality of Life Index (PQLI) is an attempt to measure the quality of life or well-being of a country. The value is the average of three statistics: basic literacy rate, infant moality , and life expectancy at age one, all equally weighted on a 0 to 100 scale. HDI includes knowledge, income(GNI) and life expectancy at bih. Ref : Park&;s Textbook of Preventive and Social Medicine; 23rd edition', 'role': 'assistant'}]