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 one of the following insecticides is not used as a larvicides ? 
Select and explain. 
A. Abate, B. Paris green, C. Fenthion, D. Dichloros
D: Dichloros
Answer: D: Dichloros 
Explanation: None