The correct option is C Analgesic Properties
Morphine, the main alkaloid of opium, was first obtained from poppy seeds in 1805. It is a potent analgesic and is used extensively in operating theatres due to its pain relieving properties. Even now, morphine is used for the management of chronic, moderate to severe pain. Of late, there are a number of semi-synthetic opioids of varying strength such as codeine fentanyl, methadone, oxycodone etc., which are being prescribed by medical practitioners.