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  • Question
  • Who discovered electron?


  • Options
  • A. E. Goldstien
  • B. J. J. Thomson
  • C. Ernest Rutherford
  • D. J. Chadwick

  • Correct Answer
  • J. J. Thomson 

  • Tags: Bank Exams

    Inventions problems


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    • 1. Edward Jenner discovered vaccine for which of the following disease?

    • Options
    • A. Polio
    • B. Tuberculosis
    • C. Small Pox
    • D. Rabies
    • Discuss
    • 2. Who developed the theory of relativity?

    • Options
    • A. Issac Newton
    • B. Charles Darwin
    • C. Marie Curie
    • D. Albert Einstein
    • Discuss
    • 3. Who invented the Centigrade scale?

    • Options
    • A. Anders Celsius
    • B. Daniel Gabriel Fahrenheit
    • C. William Thomson
    • D. Wright Brothers
    • Discuss
    • 4. Albert Sabin is known for developing _____.

    • Options
    • A. smallpox vaccine
    • B. polio vaccine
    • C. penicillin
    • D. hepatitis B vaccine
    • Discuss
    • 5. Who pioneered diagnostic ultrasound?

    • Options
    • A. Alexander Fleming
    • B. Ian Donald
    • C. A. Laveran
    • D. Robert Koch
    • Discuss
    • 6. Who invented radar?

    • Options
    • A. Fred Morrison
    • B. A. H. Taylor and Leo C. Young
    • C. Van Tassel
    • D. W. K. Roentgen
    • Discuss
    • 7. Who invented the thermos flask?

    • Options
    • A. Ray Tomlinson
    • B. Tim Berners-Lee
    • C. William Cullen
    • D. James Dewar
    • Discuss
    • 8. Who invented the hot air balloon?

    • Options
    • A. Montgolfier brothers
    • B. Wright brothers
    • C. Lisitsyn brothers
    • D. Walton brothers
    • Discuss
    • 9. Who discovered Insulin?

    • Options
    • A. Sir Alexander Fleming
    • B. Frederick Banting
    • C. James Watt
    • D. Sir F.G. Hopkins
    • Discuss
    • 10. Who discovered Circulatory System?

    • Options
    • A. Thomas Edison
    • B. William Harvey
    • C. Robert Hooke
    • D. Robert Boyles
    • Discuss


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