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': 'Population covered by anganwadi in tribal area is? \nSelect and explain. \nA. 1000, B. 300, C. 400, D. 700', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is \'d\' i.e., 700 "According to the existing norms of the government there should be one unganwadi per 1000 population in rural and urban areas, and one anganwadi per 700 population in tribal areas"', 'role': 'assistant'}]