Opioids are obtained from the plant:

Papaver somniferum

The correct answer is Option (3)- Papaver somniferum

Opioids are the drugs, which bind to specific opioid receptors present in our central nervous system and gastrointestinal tract. Heroin , commonly called smack is chemically diacetylmorphine which is a white, odourless, bitter crystalline compound. This is obtained by acetylation of morphine.Heroin is derived from morphine, which is a naturally occurring alkaloid found in the latex sap of the opium poppy plant, Papaver somniferum. The opium poppy plant has been cultivated for centuries for its medicinal properties.