General Awareness · Science General
Inventors and Scientific Discoveries
4,454 Questions
This hub provides questions related to great inventors and their scientific discoveries. It covers the inventors of the telephone, radio, and microchips, alongside Nobel Prize winners. These facts are crucial for the general awareness section of major competitive exams.
Famous inventionsNobel Prize winnersScientific conceptsKey inventors
Inventors and Scientific Discoveries Questions
What was Leonardo da Vinci's role in the development of the computer?
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He invented the computer.
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He designed the first computer.
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He built the first computer.
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He wrote about the concept of a computer.
D
Correct answer
Explanation
Leonardo da Vinci wrote about the concept of a computer in his notebooks, but he did not actually build or test one.
Who is credited with inventing the first movable-type printing press?
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Johannes Gutenberg
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William Caxton
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Benjamin Franklin
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Thomas Edison
A
Correct answer
Explanation
Johannes Gutenberg, a German goldsmith, is widely recognized as the inventor of the first movable-type printing press in the mid-15th century.
What was the name of the Chinese inventor who created the first mechanical clock?
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Su Song
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Zhang Heng
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Guo Shoujing
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Wang Chong
A
Correct answer
Explanation
Su Song (1020-1101 AD) was a Chinese inventor who created the first mechanical clock, known as the Water Clock.
What was the name of the Chinese physician who developed the first smallpox vaccine?
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Zhang Zhongjing
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Hua Tuo
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Li Shizhen
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Wang Shuhe
D
Correct answer
Explanation
Wang Shuhe (1016-1072 AD) was a Chinese physician who developed the first smallpox vaccine.
What was the name of the Chinese inventor who created the first gunpowder?
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Wei Boyang
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Ge Hong
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Tao Hongjing
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Sun Simiao
A
Correct answer
Explanation
Wei Boyang (2nd century AD) was a Chinese inventor who created the first gunpowder.
Who is credited with the first public demonstration of a working television system?
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John Logie Baird
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Philo Farnsworth
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Vladimir K. Zworykin
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Charles Francis Jenkins
A
Correct answer
Explanation
John Logie Baird, a Scottish engineer, successfully demonstrated the first working television system in public in 1926.
What was the name of the mechanical television system developed by John Logie Baird?
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Nipkow disk
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Iconoscope
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Kinescope
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Orthicon
A
Correct answer
Explanation
The Nipkow disk, named after its inventor Paul Nipkow, was a mechanical television system that used a rotating disk with holes to scan images.
Which American inventor developed the electronic television system using the cathode ray tube (CRT)?
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John Logie Baird
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Philo Farnsworth
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Vladimir K. Zworykin
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Charles Francis Jenkins
B
Correct answer
Explanation
Philo Farnsworth, an American inventor, developed the electronic television system using the cathode ray tube (CRT) in the 1920s.
What was the name of the electronic television system developed by Philo Farnsworth?
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Nipkow disk
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Iconoscope
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Kinescope
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Orthicon
B
Correct answer
Explanation
The Iconoscope was the electronic television camera tube developed by Philo Farnsworth, which used a mosaic of photoemissive cells to capture images.
What was the name of the scientific method that was developed during the Scientific Revolution?
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The deductive method
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The inductive method
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The experimental method
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The observational method
C
Correct answer
Explanation
The experimental method is a scientific method that involves making observations, forming hypotheses, and testing those hypotheses through experimentation. It was developed during the Scientific Revolution and is still used today.
Who invented the light bulb?
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Thomas Edison
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Nikola Tesla
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Alexander Graham Bell
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James Watt
A
Correct answer
Explanation
Thomas Edison is credited with inventing the first practical light bulb in 1879.
Who invented the telephone?
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Thomas Edison
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Nikola Tesla
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Alexander Graham Bell
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James Watt
C
Correct answer
Explanation
Alexander Graham Bell is credited with inventing the first practical telephone in 1876.
Who invented the steam engine?
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Thomas Edison
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Nikola Tesla
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Alexander Graham Bell
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James Watt
D
Correct answer
Explanation
James Watt is credited with inventing the first practical steam engine in 1769.
Who invented the automobile?
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Henry Ford
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Karl Benz
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Gottlieb Daimler
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Nikola Tesla
B
Correct answer
Explanation
Karl Benz is credited with inventing the first practical automobile in 1885.
Who invented the airplane?
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Wright Brothers
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Samuel Langley
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Glenn Curtiss
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Louis Blériot
A
Correct answer
Explanation
The Wright Brothers are credited with inventing the first practical airplane in 1903.