This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Forensic Toxicology - Concepts, Statutes, Evidence, and Techniques, Subject name: Forensic Medicine
Poison having garlic smell: 
Select and explain. 
A. Arsenic, B. Cannabis, C. Alcohol, D. Hemlock
A: Arsenic
Answer: A: Arsenic 
Explanation: Ans. (A). Arsenic(Ref: Review of Forensic Medicine and toxicology; Gautum Biswas; 2nd edition; Pg- 490)Garlic odour: Arsenic and aluminium phosphide.Poisons and SmellOrganophosphorus compoundsKeroseneQ (due to the addition of AROMAX)Arsenic, Aluminium phosphide/seleniumGarlicQCannabisBurnt ropeQSmell of carrotHemlock (conium maculatum)AlcoholFruity (due to congeners)CyanideBitter almondQHydrogen sulphide/ Mercaptans/ disulfiram/ N-acetyl cysteineRotten eggQChloral hydrate/ParaldehydeAcrid pearQ/AromaticNaphthaleneMoth ballSalicylateMentholZinc phosphideFishyShoe PolishNitrobenzene