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General knowledge preparation online mcqs | GK MCQ Preparation Material
1- Roentgen discovered
X–rays
Encephalograph
Anti polio vaccine
Electrocardiograph
2- Who Invented Microwave Oven ?
Sir Sandford Fleming
Lewis Edson Waterman
Percy LeBaron Spencer
Levi Strauss
3- Who invented Gramophone?
Thomas Alva Edison
Alexander Graham Bell
Fahrenheit
Michael Faraday
4- When were bar code scanners invented?
1960s
1975s
1970s
1990s
5- Who Discovered The Nucleus of a Cell?
Marie Curie
Otto Hahn
Robert Brown
John Dalton
6- Who is the inventor of railway engine?
Richard Trevithik
W.H.F Tablot
Eli Whitney
George Stephenson
7- Who invented Electric Generator?
Thomas Alva Edison
Alfred Nobel
Graham Bell
Michael Faraday
8- Who Invented The World Wide Web ?
Laszlo Jozsef Biro
Sir Timothy John
James Rineose
Earle Dickson
9- Who discovered Insulin
F.G.Banting
Louis Pasteur
Alexander Fleming
William Harvey
10- Who is the inventor of printing press?
Johann Gutenberg
George Eastman
William Lee
R.W Thomson
11- Who invented logarithms?
Amundson
Shockley
Mandeleef
John Napier
12- Typewriter was invented by
Sholes
Shockley
Howe
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