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 Inventions Questions

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Q:

Who discovered Electron?

A) Niels Bohr B) J.J. Thomson
C) Abert Einstein D) Ernest Rutherford
 
Answer & Explanation Answer: B) J.J. Thomson

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Q:

Who discovered Potassium?

A) Humphry Davy B) Alan Turing
C) Bill Gates D) Tim Berners-Lee
 
Answer & Explanation Answer: A) Humphry Davy

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Q:

Who invented Vacuum Flask?

A) Charles Babbage B) Alexander Fleming
C) Gregory Pincus D) James Dewar
 
Answer & Explanation Answer: D) James Dewar

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Q:

Who invented Helicopter?

A) Copernicus B) Sikorsky
C) Cockrell D) Drinker
 
Answer & Explanation Answer: B) Sikorsky

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Q:

Blood Circulation was discovered by?

A) Mary Anderson B) Virginia Apgar
C) William Harvey D) Robert Feulgen
 
Answer & Explanation Answer: C) William Harvey

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Q:

Who Invented Universal Standard Time?

A) Enrico Fermi B) Adolf Gaston Eugen Fick
C) Sandford Fleming D) Benoit Fourneyron
 
Answer & Explanation Answer: C) Sandford Fleming

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Q:

Who Invented Post-it note?

A) William Friese-Greene B) Arthur Fry
C) Gordon Gould D) Otto von Guericke
 
Answer & Explanation Answer: B) Arthur Fry

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Q:

Who Invented Dishwasher?

A) Vint Cerf B) David Chaum
C) Georges Claude D) Josephine Cochrane
 
Answer & Explanation Answer: D) Josephine Cochrane

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