21.

This part-time race car driver invented the bucket seat in 1969. Who was he??
A. Steve McQueen B. Harrison Frazier
C. Paul Newman D. John Wayne
Answer and Explanation
Answer:A
Explanation: McQueen died in 1980 from a rare form of lung cancer.
22.

What plaything was invented by Joe McVicker in 1956?
A. Silly Putty B. Etch-A-Sketch
C. Lite-Brite D. Play-Doh
Answer and Explanation
Answer:D
Explanation: The stuff was originally intended to be wallpaper cleaner! (I used to eat this as a child)
23.

Who was the first American female to patent her invention, a method of weaving straw with silk?
A. Marjorie Joyner B. Margaret Knight
C. Amanda Jones D. Mary Kies
Answer and Explanation
Answer:D
Explanation: Mary was not the first American woman inventor to be sure, there were many female inventors before her, but they never bothered to get a patent.
24.

Who invented Gramophone?
A. Michael Faraday B. Fahrenheit
C. Sir Alexander Graham Bell D. Thomas Alva Edison
Answer and Explanation
Answer:D
Explanation: No answer description available for this question.
25.

Who invented Internal Combustion Engine?
A. Roger Bacon B. Karl Benz
C. Dr. Alan M. Turing D. Otto
Answer and Explanation
Answer:D
Explanation: No answer description available for this question.