This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and health, Subject name: Social & Preventive Medicine
True about Mosquito preventive nets are all except 
Select and explain. 
A. Hole size <0.0475, B. 150 holes per square inch, C. Best pattern in circular, D. There should be no rent
C: Best pattern in circular
Answer: C: Best pattern in circular 
Explanation: Mosquito Nets Material : White Best pattern : Rectangular net Hole/ rent : Not even a single one should be present Size of each hole : <0.0475 inch diameter. Number of holes /sq. Inch : 150 Ref: Park 25th edition Pgno : 810