This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health Programmes in India, Subject name: Social & Preventive Medicine
Data collection for Active malaria surveillance at PHC level is done by: 
Select and explain. 
A. MO-PHC, B. MPW, C. DMO, D. SPO
A: MO-PHC
Answer: A: MO-PHC 
Explanation: Ans. a. MO-PHCSurveillance/ case detection and management. The report of surveillance by ASHA/ MPW/Health facility (M-l) is maintained at every level diagnosing and treating cases like ASHAS/ AWWs/ CHVs at village level, MPWs at sub-center level and MO-PHCs at PHC level.