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 Inventions Questions

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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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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 the 3-D printer?

A) Nick Holonyak B) Elias Howe
C) Chuck Hull D) Christiaan Huygens
 
Answer & Explanation Answer: C) Chuck Hull

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Q:

What was invented by J. B. Dunlop?

A) Airplane B) Car
C) Rubber Tyre D) Rubber Boot
 
Answer & Explanation Answer: B) Car

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Q:

Who invented Aerosol can?

A) Erik Rotheim B) Erik Mathew
C) Erik Tim D) Eric Flayer
 
Answer & Explanation Answer: A) Erik Rotheim

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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:

Edward Jenner discovered vaccine for which of the following disease?

A) Polio B) Tuberculosis
C) Small Pox D) Rabies
 
Answer & Explanation Answer: C) Small Pox

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Q:

Who discovered radioactivity?

A) Max Planck B) James Clerk Maxwell
C) Henri Becquerel D) Heinrich Hertz
 
Answer & Explanation Answer: C) Henri Becquerel

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