Kwi-Chang-Caine became famous by saying?

That is one of the question asked by age verification system of Leisure Suit Larry series of computer games.

the answer is “Aaaaaiiiyeeeaagggh!”

Another examples are

The germ that transmits syphilis is
a. Spiro Agnew.
b. Spirochete.
c. Spirograph.
d. Barbarella.

and

“Gone With The Wind” is about
a. outer space.
b. a bank robbery.
c. four hours long.
d. dust.

For pre-google and pre-wikipedia era, I think most of the questions are pretty effective. Ofcourse I managed to answer those question when I was about twelve I think..

Find more of them here