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  • Question

  • The rate of heartbeat is accelerated by the harmone


  • Options
  • A. adrenaline
  • B. acetylcholine
  • C. thyroxine
  • D. pituitrin

  • Correct Answer
  • adrenaline 

    Explanation

    The hormone adrenaline also called epinephrine is known as a stress harmone. In emotional upset (like fear, anger etc.) this harmone is poured into the blood and it accelerates heart beat. The hormone acetylcholine decelerates heartbeat rate.

    • More questions

    • 1. 'The Vedas contain all the truth was interpreted by


    • Options
    • A. Swami Vivekananda
    • B. Swami Dayananda
    • C. Raja Rammohan Roy
    • D. None of the above
      • Discuss
    • 2. The only state in India that produces saffron is

    • Options
    • A. Assam
    • B. Himachal Pradesh
    • C. Jammu and Kashmir
    • D. Meghalaya
      • Discuss
    • 3. The office of the prime minister of India


    • Options
    • A. has a constitutional basis
    • B. has a statutory basis
    • C. has conventional basis
    • D. None of the above
      • Discuss
    • 4. Of the gross tax revenue of the Union Government the indirect taxes account for nearly


    • Options
    • A. 70 per cent
    • B. 75 percent
    • C. 65 percent
    • D. 60 percent
      • Discuss
    • 5. The president convenes and prorogues all sessions of Parliament in consultation with


    • Options
    • A. the speaker
    • B. the prime minister
    • C. the prime minister and the leader of the Opposition in Lok Sabha
    • D. None of the above
      • Discuss
    • 6. The ratio of the weight of water vapour to the total weight of air (including the water vapor) is called

    • Options
    • A. specific humidity
    • B. mixing ratio
    • C. relative humidity
    • D. absolute humidity
      • Discuss
    • 7. Who invented fuel cells in 1839?

    • Options
    • A. Buckminster Fuller
    • B. Sir William Grove
    • C. Sylvester Graham
    • D. Joyce Hall
      • Discuss
    • 8. How many wickets Kapil Dev had taken in Test matches when he retired?

    • Options
    • A. 450
    • B. 430
    • C. 435
    • D. 434
      • Discuss
    • 9. Isotopes are separated by

    • Options
    • A. crystallisation
    • B. sublimation
    • C. distillation
    • D. filtration
      • Discuss
    • 10. Who said 'Man is a political animal'?

    • Options
    • A. Dante
    • B. Aristotle
    • C. Socrates
    • D. Plato
      • Discuss

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