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Home ‣ General Knowledge ‣ Inventions See What Others Are Saying!
  • Question

  • Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent?


  • Options
  • A. Banjo
  • B. Oboe
  • C. Clarinet
  • D. Harmonium

  • Correct Answer
  • Harmonium 

    Explanation
    Ben also holds a lot of firsts - first U.S. ambassador, first political cartoonist, first American philosopher, organized the first fire department, and on and on.

    • More questions

    • 1. The obscuring of one celestial body by another, particularly that of the sun or a planetary satellite

    • Options
    • A. elliptic
    • B. ecliptic
    • C. eclipse
    • D. None of the above
      • Discuss
    • 2. First Indian to make a speech in Hindi before the UN General Assembly is

    • Options
    • A. Moraji Desai
    • B. A.B. Vajpayee
    • C. Lal Bahadur Shastri
    • D. Lal Krishna Advani
      • Discuss
    • 3. Ben kingsley is associated with which of the following fields?

    • Options
    • A. Politics
    • B. Social Service
    • C. Sports
    • D. Motion Pictures
      • Discuss
    • 4. The main aim of SAARC is

    • Options
    • A. Regional Cooperation
    • B. Internal affairs
    • C. Non-alignity
    • D. Peaceful Coexistence
      • Discuss
    • 5. Who has scored the most runs in a single First-class innings?

    • Options
    • A. Hanif Mohammad
    • B. Brian Lara
    • C. Sir Donald Bradman
    • D. Sachin Tendulkar
      • Discuss
    • 6. Which of the following is used as the logo of the World Wide Fund for Nature (WWF)?

    • Options
    • A. Deer
    • B. Panda
    • C. Camel
    • D. Lion
      • Discuss
    • 7. Which of the following is not a chief organ of the United Nations Organisations?

    • Options
    • A. International Labour Organisation
    • B. Security Council
    • C. International Court of Justice
    • D. General Assembly
      • Discuss
    • 8. Stars which appear single to the naked eye but are double when seen through a telescope are

    • Options
    • A. novas and supernovas
    • B. binaries
    • C. asteroids
    • D. quasars
      • Discuss
    • 9. Pick out the scalar quantity

    • Options
    • A. force
    • B. pressure
    • C. velocity
    • D. acceleration
      • Discuss
    • 10. The main crops of kharif are

    • Options
    • A. rice, jowar, bajra
    • B. ragi, maize
    • C. cotton, jute
    • D. All of the above
      • Discuss

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