Q.The active principle trans-tetra hydro canabinal is present in :

Some phytochemicals from plants alter mental perception, sometimes producing hallucination, and are classed as psychoactive drugs, historically used by shamans and traditional healers across many ancient cultures. Opium poppy yields opium from its unripe fruit's exudate, traditionally used to induce sleep and relieve pain, and is the source of morphine, a powerful surgical analgesic, though opium itself is strongly addiction-forming; India licenses its cultivation only in Madhya Pradesh, Rajasthan and Uttar Pradesh. Cannabis (Marijuana) owes its psychoactive effects to trans-tetrahydrocannabinol (THC), which is also an effective pain reliever, reduces hypertension, treats glaucoma's raised eye pressure, eases chemotherapy-related nausea and relieves bronchia …