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 Inventions Questions

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Q:

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Anile

 

A) Senile   B) Young  
C) Foolish   D)  Soft
 
Answer & Explanation Answer: B) Young  

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Q:

Who discovered Sodium?

A) Humphry Davy B) William Henry Fox
C) J.J.Thomson D) Karl Benz
 
Answer & Explanation Answer: A) Humphry Davy

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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 Neon Lamp?

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

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Q:

Christmas Card was invented by ________.

A) John Barber B) Josephine Cochrane
C) Sir Henry Cole D) Bartolomeo Cristofori
 
Answer & Explanation Answer: C) Sir Henry Cole

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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 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:

X-Rays, which are now used on a day to day basis for diagnosis in medicine, was discovered by?

A) Wilhelm Rontgen B) Niels Bohr
C) Ernest Rutherford D) Max Bon
 
Answer & Explanation Answer: A) Wilhelm Rontgen

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