Thebaine is obtained from . . . . . . .

Many secondary metabolites of plants have medicinal properties. It is their misuse that creates problems. Justify the statement with an example.

Excessive consumption of alcohol leads to:

Which of the following drugs is extracted from the latex of the poppy plant $Papaver$ $somniferum$,is generally taken by snorting and injection,acts as a depressant,and slows down body functions?

From which of the given plants is the drug whose skeletal structure is given below extracted?

Which substance is obtained from the unripe fruit of $Papaver somniferum$?