Cocaine is derived from which plant?

Cocaine is derived from the coca plant, which is native to South America. The leaves of the coca plant contain alkaloids from which cocaine can be extracted. This plant has been cultivated for thousands of years and has historical and cultural significance, particularly among indigenous populations in the Andes Mountains, who have used coca leaves for their stimulant properties.

The coca plant is specifically known for its association with the production of cocaine, making it the correct answer. Other plants mentioned, such as the cactus, poppy, and coffee bean, do not produce cocaine. The cactus is primarily known for certain psychoactive compounds, the poppy is the source of opiates like morphine and heroin, and the coffee bean is well-known for caffeine. Each of these plants has its own unique properties and uses, but none are related to the production of cocaine as the coca plant is.