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Q:

Who Invented water turbine?

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

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Q:

Who invented bluetooth?

A) Kirkpatrick Macmillan B) Benjamin Franklin
C) Dr. Jaap Haartsen D) Charles Babbage
 
Answer & Explanation Answer: C) Dr. Jaap Haartsen

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Q:

Bacteria was discovered by

A) Antonie van Leeuwenhoek B) Belarus
C) Hugo de Vries D) Robert Brown
 
Answer & Explanation Answer: A) Antonie van Leeuwenhoek

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Q:

Who discovered electron?

A) E. Goldstien B) J. J. Thomson
C) Ernest Rutherford D) J. Chadwick
 
Answer & Explanation Answer: B) J. J. Thomson

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Q:

Who invented Antibiotics?

A) Joseph Lister B) William Harvey
C) Robert Knock D) Alexander Fleming
 
Answer & Explanation Answer: D) Alexander Fleming

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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:

Who discovered the colour photography?

A) Robert Noyce B) Enrico Fermi
C) John Logie Baird D) James Clerk Maxwell
 
Answer & Explanation Answer: D) James Clerk Maxwell

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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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