Nicotine is

Which part of the opium poppy $(Papaver \text{ somniferum})$ is used to obtain opium?

In persons addicted to alcohol,the liver gets damaged because it

Diacetylmorphine is extracted from . . . . . . .

Those who take drugs intravenously (direct injection into the vein using a needle and syringe),are much more likely to acquire serious infections like?

Morphine is known to: $(i)$ Induce a feeling of euphoria. $(ii)$ Relieve anxiety,fear,and tension. $(iii)$ Suppress appetite. $(iv)$ Act on neurons in the central nervous system to relieve pain and induce sedation. $(v)$ Stimulate urine production. Which of the following statements are correct?