The theory of inheritance of acquired character was propounded by
Answer: A
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Crescograph is an instrument to record
Answer: C
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First mechanical calculator was built in 1642 by
Answer: B
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World Wide Web was publicly introduced for first time by computer scientist and English engineer named
Answer: B
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Who invented the BALLPOINT PEN?
Answer: A
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Inventor who invented vulcanized rubber that is made by mixing latex with sulphur and is then heated is
Answer: A
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Who designed Suez Canal?
Answer: A
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When were the first rockets launched?
Answer: B
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What Galileo invented?
Answer: D
Various authors have credited the invention of the thermometer to Cornelius Drebbel, Robert Fludd, Galileo Galilei or Santorio Santorio. The thermometer was not a single invention, however, but a development.
Galileo Galilei also discovered that objects (glass spheres filled with aqueous alcohol) of slightly different densities would rise and fall, which is nowadays the principle of the Galileo thermometer (shown). Today such thermometers are calibrated to a temperature scale.
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Name of first popular web browser is
Answer: D
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