Thebaine is obtained from . . . . . . .

Given below are two statements with respect to the neurotransmitter,$Dopamine$.
Statement-$I$: Degeneration of $Dopamine$-producing neurons causes $Parkinson's$ disease.
Statement-$II$: $Dopamine$ level increases due to cocaine.
Choose the most appropriate answer from the options given below.

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?

Which organ is most affected by the consumption of alcohol?

What measures can be taken for prevention and control of alcohol and drug abuse among adolescents?

With repeated use of drugs,the tolerance level of the receptors present in our body ......