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
[{'content': 'The active principle of abrus precatorius is: \nSelect and explain. \nA. Abrin and abrine, B. Calotoxin and Calotropin, C. Ricin and Ricinoleic acid, D. Semicarpol and Bhilawanol', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (A). Abrin and abrineThe seed shown in the picture is abrus precatorius (Rati seeds), a plant irritant.Abrin and abrine - abrus precatoriusCalotoxin and Calotropin - calotropis giganteaRicin and Ricinoleic acid - ricinus communisSemicarpol and Bhilawanol- semicarpus anacardium (marking Nut)', 'role': 'assistant'}]