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Q:

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

When the architect won a prize in a play­writing competition his friends admired his universality.

A) durability B) versatility
C) respectability D) No improvement

Answer:   B) versatility



Explanation:
Subject: Inventions
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Q:

Who discovered benzene?

A) Hal Anger B) Michael Faraday
C) Bruce Ames D) Nicolas Appert
 
Answer & Explanation Answer: B) Michael Faraday

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Q:

Who invented logarithms?

A) Eden Snowden B) Larry Page
C) Thomas Edison D) John Napier
 
Answer & Explanation Answer: D) John Napier

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Q:

Who invented the vacuum pump?

A) Otto von Guericke B) Cai Lun
C) Melitta Bentz D) William Henry Fox Talbot
 
Answer & Explanation Answer: A) Otto von Guericke

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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 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 the electrocardiogram (ECG)?

A) Willem Einthoven B) Edward Jenner
C) Antonio de Ulloa and Charles Wood D) Karl Benz
 
Answer & Explanation Answer: A) Willem Einthoven

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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 invented the waterproof raincoat?

A) Robert Hooke B) Cai Lun
C) Charles Macintosh D) William Harvey
 
Answer & Explanation Answer: C) Charles Macintosh

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