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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:

Who discovered Proton?

A) Ernest Rutherford B) Friedrich Miescher
C) Henri Becquerel D) Henry Cavendish
 
Answer & Explanation Answer: A) Ernest Rutherford

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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:

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

_____ you live long!

A) Might B) May
C) Shall D) Should
 
Answer & Explanation Answer: B) May

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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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1 1597
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:

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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