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 Inventions Questions

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Q:

Fax machine was invented by

A) Daimler B) Dewar
C) Bain D) None of these
 
Answer & Explanation Answer: C) Bain

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Q:

Who Invented Traffic Signal ?

A) Lewis Edson Waterman B) Levi Strauss
C) Percy LeBaron Spencer D) Garrett Augustus Morgan
 
Answer & Explanation Answer: D) Garrett Augustus Morgan

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Q:

Roentgen discovered

A) Electrocardiograph B) X–rays
C) Anti polio vaccine D) Encephalograph
 
Answer & Explanation Answer: B) X–rays

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Q:

The cause of Beri Beri was discovered by

A) Eijkman B) Macmillan
C) Alexanderson D) Cockrell
 
Answer & Explanation Answer: A) Eijkman

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Q:

Who invented the battery?

A) John Wilkinson B) Alessandro Volta
C) James Hargreaves D) Thomas Edison
 
Answer & Explanation Answer: B) Alessandro Volta

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Q:

The Solar System was discoverd by

A) Galleleo B) Finsen
C) Copernicus D) None of these
 
Answer & Explanation Answer: C) Copernicus

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Q:

Telegrahic code was introduced by

A) Lipman B) Macmillan
C) Thomas Moore D) Cockrell
 
Answer & Explanation Answer: C) Thomas Moore

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Q:

Toricelli invented

A) Automobile B) Barometer
C) Stethoscope D) None of these
 
Answer & Explanation Answer: B) Barometer

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