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
Ovicidal drug for scabies is - 
Select and explain. 
A. BHC, B. DDT, C. HHC, D. Permethrin
A: BHC
Answer: A: BHC 
Explanation: Treatment for scabies: Benzyl benzoate HCH or gamma lindane Tetmosol Sulfur ointment Park's Textbook of Preventive and Social Medicine, 25th Edition, Pg 842