General Awareness ยท Science General
Inventors and Scientific Discoveries
4,616 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
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William Sturgeon
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Karl Benz
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Caxton
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Walter Hunt
B
Correct answer
Explanation
Karl Benz is credited with inventing the first modern automobile powered by an internal combustion engine in 1886.
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Joseph Aspdin
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Brequet
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Horace Short
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P.T. Farnsworth
A
Correct answer
Explanation
Joseph Aspdin patented Portland cement in 1824, which became the standard material for modern concrete construction.
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Michael Faraday
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Nicolas & Jean Lumiere
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Charles H. Townes
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James Puckle
A
Correct answer
Explanation
Michael Faraday discovered electromagnetic induction, which led to the invention of the electric dynamo, the first electrical generator.
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Hypolite Pixli
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Nicolas and Jean Lumiere
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Charles H. Townes
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James Puckle
B
Correct answer
Explanation
The Lumiere brothers, Auguste and Louis, are widely credited with the invention of the Cinematographe, which launched the cinema industry. Other options listed are inventors of unrelated technologies.
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Elisha G. Otis
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Joseph Aspdin
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John J. Loud
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Rudolf Diesel
D
Correct answer
Explanation
Rudolf Diesel invented the compression-ignition engine, which now bears his name. The other individuals listed are famous for different inventions, such as the elevator (Otis) or Portland cement (Aspdin).
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John Dalton
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George Ohm
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I-Hsing and Liang Ling -Tsan
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Michael Faraday
C
Correct answer
Explanation
The mechanical clock was developed by Buddhist monk I-Hsing and government official Liang Ling-Tsan in China during the 8th century. The other names are famous scientists in physics and chemistry.
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Elisha G. Otis
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Joseph Aspdin
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John J. Loud
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Sir Frank Whittle
C
Correct answer
Explanation
John J. Loud received the first patent for a ballpoint pen in 1888. While Laszlo Biro later popularized a more functional version, Loud is the historically recognized inventor of the concept.
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Kirkpatrick Macmillan
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Zenobe Gramme
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Brequet
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Thomas Alva Edison
D
Correct answer
Explanation
Thomas Alva Edison is credited with developing the first commercially practical incandescent light bulb. While others worked on earlier versions, Edison's design made it viable for widespread use.
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Richard Trevitthick
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Barthelemy Thimmonnier
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Zenobe Gramme
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None of these
C
Correct answer
Explanation
Zenobe Gramme invented the Gramme dynamo, which was a significant breakthrough in the development of the electric motor. It demonstrated that a motor could be powered by a generator.
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Nikola Tesla
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Brequet
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Horace Short
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P.T. Farnsworth
A
Correct answer
Explanation
Nikola Tesla is renowned for his development of the alternating current (AC) induction motor. His work revolutionized the distribution and use of electrical power.
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Elisha G. Otis
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Joseph Aspdin
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Dr. Alan M. Turing
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Rudolf Diesel
C
Correct answer
Explanation
Alan Turing is widely considered the father of theoretical computer science and artificial intelligence. His work on the Turing machine provided the foundation for modern electronic computers.
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Elisha G. Otis
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William Strugeon
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Charles H. Townes
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James Puckle
B
Correct answer
Explanation
William Sturgeon created the first electromagnet in 1824 by wrapping a coil of wire around a soft iron core. This discovery was fundamental to the development of modern electrical devices.
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Nikola Tesla
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Brequet
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Horace Short
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Sir George Cayley
D
Correct answer
Explanation
Sir George Cayley is known as the father of aviation for his pioneering work in the early 19th century, including the design and flight of the first successful glider.
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John Dalton
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George Ohm
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I-Hsing and Liang Ling -Tsan
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Lewis E. Waterman
D
Correct answer
Explanation
Lewis E. Waterman is credited with inventing the first practical fountain pen with a reliable ink feed system in 1884. The other names are unrelated scientists.
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Kirkpatrick Macmillan
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Zenobe Gramme
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Brequet
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Thomas Alva Edison
D
Correct answer
Explanation
Thomas Alva Edison invented the phonograph, which was the precursor to the gramophone. While Emile Berliner later refined the gramophone, Edison is the primary figure associated with early sound recording.