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General Science MCQ


Which one of the following organs is the main respiratory organ of whale?

  • Integuments
  • Gills
  • Lungs
  • Trachea
    • Correct Option: C  [ Lungs ]

    Remark:

The heart covered by a membrane called

  • Myocardium.
  • Pericardium
  • Aorta
  • None of These
    • Correct Option: B  [ Pericardium ]

    Remark:

Man first landed on the surface of the Moon in :

  • 1967
  • 1968
  • 1969
  • 1970
    • Correct Option: C  [ 1969 ]

    Remark:
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