The main alkaloid of $Papaver$ $somniferum$ is ....

Drugs that cause malformation in an embryo during pregnancy are called:

Which of the following is a white crystalline drug associated with pain relief and euphoria?

Identify the correct statements regarding drugs and their characteristics:
$(1)$ $Datura$ induces hallucinogenic properties.
$(2)$ $Atropa$ $belladonna$ induces hallucinations.
$(3)$ Opium is obtained from the unripe capsules of the poppy plant.
$(4)$ Marijuana is obtained from $Cannabis$ $sativa$.
$(5)$ $LSD$ is useful as a medicine.

Which of the following is a synthetic tranquilizer drug?

What are the effects of excessive consumption of caffeine?