G.K QUIZ 4.6.21

1. Who invented the Elevator ?

• Graham Bell

• Elisha Otis

2. _______________ invented the Telephone.

• Alexander Graham Bell

• Einstein

3.____________ invented the Bifocal glasses.

• Josphine Cochrane

• Benjamin Franklin

4. _______________________ invented the Dishwasher.

• Josphine Cochrane

• Marion Donovan

5.Who developed the first waterproof disposable diaper ?

• Rene Laennec

• Marion Donovan

6. Who invented the Mobile phone ?

• Chester Carlson

• Martin Cooper

7. The Printing Press was invented by _______________.

• Johannes Gutenberg

• Hubert Cecil Booth

8. ______________________ invented the Air conditioner.

• Galileo

• Willis Carrier

9. Who invented the Airplane ?

• Wilber and Orville Wright

• Charles Richter

10. _____________ invented the Rocket engine.

• Johannes Gutenberg

• Robert H Goddard