Test Your CAFFEINE IQ

Test You "Caffeine IQ"!

Think you're caffeine savvy? Take this short quiz and find out your Caffeine IQ!

Which substance in the brain, which causes drowsiness, is blocked by caffeine, producing its stimulating effect?
After water, which beverage is the world's most widely consumed?
How many plants contain caffeine?
Which country produces the world's most coffee?
What percentage of Americans say they consume caffeine daily?
In what decade was cola first introduced?
TRUE or FALSE: Energy drinks contain more caffeine than a typical cup of coffee.
Which country consumes the most coffee in the world (per person)?
Where was tea first brewed as a beverage?
People of which ethnic derivation are believed to have greater sensitivity to caffeine?