To solve the problem of matching List I with List II, it is essential to identify the correct association between the substances and their respective origins or uses. Here are the associations:
Cocaine is derived from the plant Erythroxylum, commonly known as the coca plant.
Heroin is an opioid drug synthesized from morphine, which comes from the Papaver somniferum (opium poppy).
Morphine is a well-known effective sedative used in surgery and is sourced from the opium poppy, Papaver somniferum.
Marijuana is derived from the plant Connabis sativa.
Now let's match these substances with their corresponding descriptions:
A
Cocaine
III
Erythroxylum
B
Heroin
IV
Papaver somniferum
C
Morphine
I
Effective sedative in surgery
D
Marijuana
II
Connabis sativa
Therefore, the correct match is: A-III, B-IV, C-I, D-II, which aligns with the given options.