Inventions

1.Who among the following invented the small pox vaccine?

Robert Koch Edward Jenner Robert Hooke Louis Pasteur

2.What George Westinghouse invented?

Light bulb Electric razor Refrigerator Railway air brakes

3.Who is the only U.S. President to invent and patent something?

Abraham Lincoln Theodore Roosevelt Thomas Jefferson Rutherford B. Hayes

4.What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?

Telegraph Radio Television Dishwasher

5. What Thomas Davenport invented?

Screw propellor Electric streetcar Chesterfield Sleeping (railway) car