The correct option is B Alkaloid
Morphine is an alkaloid obtained from opium. Morphine is a very effective sedative and painkiller, and is very useful in patients who have undergone surgery.
Latex as found in nature, is a milky fluid found in 10% of all flowering plants (angiosperms). It is an emulsion consisting of proteins, alkaloids, starches, sugars, oils, tannins, resins, and gums that coagulate on exposure to air. It is usually exuded after tissue injury. Tannins are naturally occurring compounds that exist inside grape skins, seeds and stems.