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
Which of the following has responsibility of data collection for active malaria surveillance at PHC level ? 
Select and explain. 
A. DHO, B. MPW, C. MO-PHC, D. DMO
C: MO-PHC
Answer: C: MO-PHC 
Explanation: Ans. is 'c' i.e., MO-PHC "The Medical Officer-PHC has the overall responsibility for surveillance and laboratory services, and also supervices the spray".