From which plant is marijuana obtained?

Which one of the following is the most carcinogenic substance present in tobacco smoke?

Nicotine is an alkaloid that enters the body through smoking. How many of the following characteristics are associated with its effects?
$(i)$ Increases blood pressure
(ii) Decreases respiratory rate
(iii) Causes cancer of the lungs,throat,and bladder
(iv) Induces allergies
$(v)$ Can cause emphysema
(vi) Decreases the level of $O_2$ in the blood

$LSD$ (Lysergic acid diethylamide) is produced from which acid?

Which of the following side effects is $NOT$ associated with the use of anabolic steroids in males?

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