☰ Inventions and Discoveries (General Science) - MCQs

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Q19.

The telephone was invented by

  • A. John Logie Baird
  • B. Alexander Graham Bell
  • C. Thomas Alva Edison
  • D. James Watt
    ✍ Discuss    
Q20.

Who proposed the chemical evolution of life ?

  • A. Darwin
  • B. Lamarck
  • C. Oparin
  • D. Haeckel
    ✍ Discuss    
Q21.

The velocity of light was first measured by

  • A. Einstein
  • B. Newton
  • C. Romer
  • D. Galileo
    ✍ Discuss    
Q22.

Who invented the Doctor's thermometer ?

  • A. Fahrenheit
  • B. Edison
  • C. Galileo
  • D. None of these
    ✍ Discuss    
Q23.

Zero was invented by

  • A. Indians
  • B. Egyptians
  • C. Greeks
  • D. None of these
    ✍ Discuss    
Q24.

Who among the following invented the small pox vaccine ?

  • A. Robert Koch
  • B. Edward Jenner
  • C. Robert Hook
  • D. Louis Pasteur
    ✍ Discuss    
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