The correct option is
B PapaverNarcotics are drugs that change mood and behaviour. They are opiates derived from opium, the dried latex of unripen capsular fruits of poppy plant Papaver somniferum. Opiates are considered as king of narcotics. They are depressants of CNS (central nervous system). They have sedative and analgesic effect. They reduce pain and induce sleep. They slow down respiratory activities, constrict pupil of eye, impair digestion, cause nausea and vomiting.
So, the correct
answer is 'Papaver'.