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
Designated microscopy centre for TB under RNTCP is installed per 
Select and explain. 
A. 50,000 population, B. 1,00,000 population, C. 20,000 population, D. 2,00,000 population
B: 1,00,000 population
Answer: B: 1,00,000 population 
Explanation: Designated microscopy centre - 1 / 1,00,000 population and 
Tuberculosis unit - 1 / 2,00,000 population and .