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
The active principle of abrus precatorius is: 
Select and explain. 
A. Abrin and abrine, B. Calotoxin and Calotropin, C. Ricin and Ricinoleic acid, D. Semicarpol and Bhilawanol
A: Abrin and abrine
Answer: A: Abrin and abrine 
Explanation: 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)