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 Inventions Questions

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Q:

Piano was invented by ________.

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

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Q:

Who Invented the nuclear reactor?

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

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Q:

Kaleidoscope was invented by ________.

A) John Barber B) Tim Berners­Lee
C) Alan Blumlein D) David Brewster
 
Answer & Explanation Answer: D) David Brewster

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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 created the first mechanical computer, which proved to be the prototype for future computers?

A) Archimedes B) John Harrison
C) Cai Lun D) Charles Babbage
 
Answer & Explanation Answer: D) Charles Babbage

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Q:

Who among the following discovered electron?

A) J.J Thomson B) Max Born
C) Antoine Lavoisier D) Mendeleef
 
Answer & Explanation Answer: A) J.J Thomson

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Q:

Prime Minister Narendra Modi inaugurated India's longest rail-road bridge Bogibeel Bridge in which state?

A) Tripura B) Sikkim
C) Assam D) Arunachal Pradesh
 
Answer & Explanation Answer: C) Assam

Explanation:

* Prime Minister Narendra Modi on 25th Dec 2018 inaugurated the 4.94 km long Bogibeel Bridge in Assam.
* It is India’s longest rail-cum-road road bridge, on the river Bramhaputra.
* The bridge is constructed at an estimated cost of 5,800 crore rupees.
* It is situated 17 km downstream of Dibrugarh city in Assam.

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Q:

Who developed the theory of relativity?

A) Issac Newton B) Charles Darwin
C) Marie Curie D) Albert Einstein
 
Answer & Explanation Answer: D) Albert Einstein

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