Commercially, opium is obtained from which part of the plant?

Which of the following effects is $NOT$ caused by nicotine?
$(i)$ Stimulates the secretion of adrenaline. $(ii)$ Causes inflammation in the trachea. $(iii)$ Increases blood sugar levels. $(iv)$ Causes oxygen deficiency in the body. $(v)$ Stimulates the secretion of digestive juices from the stomach.

Identify the plant that induces hallucinations.

Which of the following is a hallucinogenic substance?

Opium, morphine, heroin, pethidine, and methadone are collectively called as

Which one of the following is a stimulant?