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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The Babylonians
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The ancient Persians
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Albert Einstein
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9-year Milton Sirotta.
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Explanation
In 1920, mathematician Edward Kasner asked his nine-year-old nephew, Milton Sirotta, to invent a name for a very large number (1 followed by 100 zeros). Milton suggested "googol," which later inspired the name of the search engine Google.
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Christann Huygens
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James Clerk Maxwell
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Heinrich Hertz
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Sir Isaac Newton
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Explanation
Sir Isaac Newton proposed the corpuscular theory of light, which suggested that light is composed of a stream of particles.
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Ivanowsky
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Lwoff
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Pasteur
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Diener
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Explanation
Theodore O. Diener discovered viroids in 1971 while studying the potato spindle tuber disease.
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Pasteur
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Ivanowsky
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Beijerinck
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None
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Explanation
Martinus Beijerinck demonstrated that the extract of infected tobacco plants could cause disease in healthy plants, coining the phrase 'Contagium vivum fluidum' (contagious living fluid).
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Ivanowsky
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Beijerinck
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Pasteur
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Stanley
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Explanation
Louis Pasteur coined the term 'virus', which is Latin for 'venom' or 'poisonous fluid', to describe the infectious agents he was studying.
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Linnaeus
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Whittaker
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Aristotle
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Woese
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Explanation
Aristotle was the earliest to attempt a more scientific basis for classification, using simple morphological characters to classify plants and animals.
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Explanation
Peter Mitchell proposed the chemiosmotic hypothesis in 1961, which explains how ATP synthesis is coupled to electron transport via a proton gradient.
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Robert hooke
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Robert straus
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Edward jennar
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Robin warren
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Explanation
Edward Jenner is the scientist credited with creating the first vaccine, which was for smallpox, using cowpox material. Note the spelling in the option is 'jennar'.
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- Robert Marsh
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Robert Frost
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Robert Hooke
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Robert Hall
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Explanation
Robert Hooke is credited with the discovery of cells in 1665 after observing cork under a microscope. The other names listed are not associated with this biological discovery.
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pythagorean theory
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big bang theory
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cell theory
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gravity theory
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Explanation
The cell theory states that all living things are made of cells, cells are the basic unit of life, and all cells come from pre-existing cells.
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Lamarck
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Eldredge
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de Vries
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Darwin
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Explanation
Hugo de Vries was a Dutch botanist who proposed the Mutation Theory in the early 20th century, suggesting that new species could arise through sudden, large-scale mutations.
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Georges-Louis Comte Leclerc de Buffon
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Erasmus Darwin
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Jean-Baptiste Lamarck
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Carolus Linnaeus
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Explanation
Buffon was one of the first to suggest that species could change over time and that the environment played a role in these changes, even though he did not propose a mechanism like natural selection.
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John Ray
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Galileo Galilei
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Erasmus Darwin
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Georges-Louis Comte Leclerc de Buffon
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Explanation
John Ray was a pioneering naturalist who introduced the concepts of genus and species in his classification work. The other figures listed are associated with different scientific contributions.
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James Watson
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Maurice Wilkins
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Francis Crick
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Rosalind Franklin
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Explanation
Rosalind Franklin provided critical X-ray diffraction data that revealed the structure of DNA, but she died before the Nobel Prize was awarded to Watson, Crick, and Wilkins. Nobel Prizes are not awarded posthumously.
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Charles Darwin
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Gregor Mendel
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Charles Lyell
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Carolus Linnaeus
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Explanation
Carolus Linnaeus is known as the father of modern taxonomy for creating the binomial nomenclature system used to classify all living organisms.