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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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Q:

Who discovered Uranus?

A) Sir Isaac Newton B) William Henry Fox Talbot
C) William Herschel D) Nicolaus Copernicus
 
Answer & Explanation Answer: C) William Herschel

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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 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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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:

What did J. B. Dunlop invent?

A) Pneumatic rubber tire B) Car Music System
C) Steering Wheel D) Diesel Engine
 
Answer & Explanation Answer: A) Pneumatic rubber tire

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Q:

Albert Sabin is known for developing _____.

A) smallpox vaccine B) polio vaccine
C) penicillin D) hepatitis B vaccine
 
Answer & Explanation Answer: B) polio vaccine

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Q:

Who Invented Ceiling fan?

A) Lloyd Groff Copeman B) Bartolomeo Cristofori
C) Leonardo da Vinci D) Philip Diehl
 
Answer & Explanation Answer: D) Philip Diehl

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