Invention and Inventors : General Knowledge Questions and Answers

Q51. Helicopter was invented by

[A] Cockrell

[B] Copernicus

[C] Drinker

[D] Broquet

Q52. Who Invented Modern Frequency Modulation FM Radio ?

[A] Edwin H. Armstrong

[B] Peter Durand

[C] Leo Hendrik Baekeland

[D] Percy Shaw

Q53. Who invented Automobiles using gasoline?

[A] William Ford

[B] Karl Benz

[C] Kirk Macmillan

[D] Thomas Alva Edison

Q54. Who invented fuel cells in 1839?

[A] Sir William Grove

[B] Sylvester Graham

[C] Joyce Hall

[D] Buckminster Fuller

Q55. Bushwell invented

[A] Urey

[B] Hovercraft

[C] Submarine

[D] Atomic Bomb

Q56. Who Invented Microwave Oven ?

[A] Levi Strauss

[B] Sir Sandford Fleming

[C] Lewis Edson Waterman

[D] Percy LeBaron Spencer

Q57. In which country the hormone gibberellin was discovered?

[A] Russia

[B] China

[C] India

[D] Japan

Q58. The first effective vaccine against polio was prepared by ?

[A] H Gibbon

[B] James Simpson

[C] Jonas E Salk

[D] Robert Edwards

Q59. What plaything was invented by Joe McVicker in 1956?

[A] Play-Doh

[B] Lite-Brite

[C] Silly Putty

[D] Etch-A-Sketch

Q60. Who invented Gramophone?

[A] Fahrenheit

[B] Alexander Graham Bell

[C] Michael Faraday

[D] Thomas Alva Edison