Q. Intoxicant caffeine is found in
A) Tea
B) Coffee
C) Cocoa
D) All of these
Explanation
Caffeine $\left( C_{8}H_{10}N_{4}O_{2} \right),$ an oxidation product of the methyl derivative of purine is found in coffee beans, tea leaves, cocoa beans, guarana and mate. It is a stimulant of central nervous system.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.