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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:

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:

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:

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 the mouse of a computer?

A) John Backus B) Charles Babbage
C) Douglas Engelbart D) Simon Colton
 
Answer & Explanation Answer: C) Douglas Engelbart

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Q:

Who pioneered diagnostic ultrasound?

A) Alexander Fleming B) Ian Donald
C) A. Laveran D) Robert Koch
 
Answer & Explanation Answer: B) Ian Donald

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Q:

Which dynasty had its capital at Chittorgarh?

A) Chauhan B) Sisodia
C) Hada D) Rathor
 
Answer & Explanation Answer: B) Sisodia

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Q:

Who discovered X-rays?

A) W. C. Roentgen B) Albert Einstein
C) Samuel Cohen D) Edward Taylor
 
Answer & Explanation Answer: A) W. C. Roentgen

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