Caffeine-producing plants are indigenous to .
A) China
B) West Africa
C) North America
D) South America
E) all of these

Question

Quizplus · Accepted Answer

Caffeine-producing plants are native to all of these regions. The coffee plant, which produces caffeine, is indigenous to Ethiopia in East Africa but is now widely grown in many coffee-producing countries around the world, including Brazil, Colombia, and Southeast Asia. Tea, another major source of caffeine, originated in China and is also grown in India, Sri Lanka, and other countries. Other plants that produce caffeine, such as yerba mate and guarana, are native to South America.

Caffeine-Producing Plants Are Indigenous to