Multiple choice

Which of the following is not a plant product?

  1. Caffeine

  2. Piperine

  3. Nicotine

  4. Saccharin
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Caffeine (coffee, tea), piperine (black pepper), and nicotine (tobacco) are all plant-derived alkaloids. Saccharin is an artificial sweetener synthesized from coal tar derivatives - it has no natural plant source. It was discovered in 1879 at Johns Hopkins University.

Keep practicing — related questions