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: Forensic Medicine
Alkyl organophosphate is 
Select and explain. 
A. Parathion, B. Follidol, C. Diazinon, D. Malathion
D: Malathion
Answer: D: Malathion 
Explanation: Ans. is 'd' i.e., Malathion Alkyl phosphatase :Malathione, HETP (hexa ethyl tetra phosphate), TEPP (tetra ethyl pyrophosphate or tetron), OMPA (octa methyl pyrophosphate), dimefox, isopestox, demeton, trichlorfon, dipterex.Aryl phosphatase :Parathion, Follidol,or nitrostigmine or killphos or ekato), paraoxon, Diazinon (diazion or TIK 20), methyl-parathion (metacide), chlohion.