Identify the odd one out in the context of drugs derived from the same plant source.

Which one of the following is not a matching pair of a drug and its category?

Identify the correct statements from the following:
$(i)$ With repeated use of drugs,the tolerance level of the receptors present in the body increases.
$(ii)$ Youngsters often use drugs repeatedly due to financial gains.
$(iii)$ Lack of proper guidance or counseling leads individuals to become addicts.
$(iv)$ Repeated use of alcohol leads to 'withdrawal syndrome'.

Match the following correctly:

$(i)$ Opium poppy	$(p)$ Caffeine
$(ii)$ Cannabis indica	$(q)$ $LSD$
$(iii)$ Ergot fungus	$(r)$ Ganja
$(iv)$ Erythroxylum	$(s)$ Opium

From which plant is cocaine obtained?

Which substances are athletes increasingly using to enhance their performance?