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 Inventions Questions

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Q:

Who discovered Neon?

A) Robert Noyce B) Enrico Fermi
C) Morris W. Travers and William Ramsay D) Antonio de Ulloa and Charles Wood
 
Answer & Explanation Answer: C) Morris W. Travers and William Ramsay

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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:

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:

Dishwasher was invented by ________.

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

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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 Zacharias Jansen?

A) Jet Engine B) Radium
C) Microscope D) Electric Lamp
 
Answer & Explanation Answer: C) Microscope

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Q:

Dynamite was invented by?

A) Jean-Antoine Nollet B) Alfred Nobel
C) Joseph Nicephore Niepce D) Ted Nelson
 
Answer & Explanation Answer: B) Alfred Nobel

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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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