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 Inventions Questions

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Q:

Who invented the contact lens?

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

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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 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:

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:

Choose the word which is nearest in meaning to the given word ‘EGREGIOUS’

A) Common B) Social
C) Plain D) Atrocious
 
Answer & Explanation Answer: D) Atrocious

Explanation:

Egregious means outstandingly bad or shocking and Atrocious means cruel or wicked and both words are nearly equal in meaning.

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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:

Which of the following was invented by Sir Humphry Davy?

A) Safety Pin B) Steam Engine
C) Safety Lamp D) X-Rays
 
Answer & Explanation Answer: C) Safety Lamp

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