<prompt> The active principle of abrus precatorius is:Abrin and abrineCalotoxin and CalotropinRicin and Ricinoleic acidSemicarpol and Bhilawanol  <response>: 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 