This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NVBDCP, NLEP, Subject name: Social & Preventive Medicine
[{'content': 'Urban Malaria Scheme, following is not true \nSelect and explain. \nA. Utilization of anti-larva measures, B. Slide positivity rate more than 10%, C. It is done in town/city with minimum 50,000 population, D. Introduction of active surveillance', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Urban malaria has three specific criteria- Utilization of Anti-Larval measures. It is done in town/city with minimum 50,000 population. Slide positivity rate more than 5% .', 'role': 'assistant'}]