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 Inventions Questions

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Q:

Who invented first working laser?

A) A. H. Taylor B) W. K. Roentgen
C) T. H. Maiman D) Fred Morrission
 
Answer & Explanation Answer: C) T. H. Maiman

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Q:

Who discovered bacteria?

A) Antonie Ven Leeuwenhoek B) Robert Brown
C) Robert Hook D) Robert Koch
 
Answer & Explanation Answer: A) Antonie Ven Leeuwenhoek

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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:

Stainless steel was invented by

A) William Howard Livens B) Joseph Aspdin
C) Harry Brearley D) James Dyson
 
Answer & Explanation Answer: C) Harry Brearley

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Q:

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

To clip one's wings

A) To stop one from flying B) To trim the leaves
C) To deprive one of power D) To hurt a bird
 
Answer & Explanation Answer: C) To deprive one of power

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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:

Electric tram was invented by?

A) Fyodor Pirotsky B) Arthur Pitney
C) Fritz Pfleumer D) Stephen Perry
 
Answer & Explanation Answer: A) Fyodor Pirotsky

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Q:

Who discovered Insulin?

A) Sir Alexander Fleming B) Frederick Banting
C) James Watt D) Sir F.G. Hopkins
 
Answer & Explanation Answer: B) Frederick Banting

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