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  • Question
  • Helium is added to the oxygen supply of deep sea divers because it is _________


  • Options
  • A. less poisonous than nitrogen
  • B. Lighter than nitrogen
  • C. Readily miscible with oxygen
  • D. less soluble in blood than nitrogen at high pressure

  • Correct Answer
  • less soluble in blood than nitrogen at high pressure 

  • Tags: Bank Exams

    General Science problems


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    • 1. A level of atmosphere which is composed partly of electrons and positive ions is called

    • Options
    • A. Troposphere
    • B. Ionosphere
    • C. Stratosphere
    • D. Mesosphere
    • Discuss
    • 2. Which of the following was India's first interplanetary mission?

    • Options
    • A. Chandrayaan Mission
    • B. Mangalyaan Mission
    • C. Aryabhatta Mission
    • D. Philae Mission
    • Discuss
    • 3. Why does ice covered in sawdust not melt quickly?

    • Options
    • A. Sawdust does not allow the air to touch the ice
    • B. The water is absorbed by sawdust
    • C. Sawdust is a bad conductor of heat
    • D. Sawdust is good conductor of heat
    • Discuss
    • 4. Azolla increases soil fertility for ....

    • Options
    • A. maize cultivation
    • B. wheat cultivation
    • C. barley cultivation
    • D. rice cultivation
    • Discuss
    • 5. What is the position of the Earth when it is at the greatest distance from the sun ?

    • Options
    • A. Aphelion
    • B. Antipode
    • C. Perihelion
    • D. Aldiatc
    • Discuss
    • 6. When does the sun shine vertically on the Equator ?

    • Options
    • A. Throughout the year
    • B. For six months
    • C. Twice a year
    • D. Once a year
    • Discuss
    • 7. Among the given nutrients, milk is a poor source of which of the following ?

    • Options
    • A. Vitamin 'C'
    • B. Calcium
    • C. Protein
    • D. Carbohydrate
    • Discuss
    • 8. Particulates (< 1 ?m size) remaining suspended in air indefinitely and transported by wind currents are called

    • Options
    • A. Mists
    • B. Fumes
    • C. Aerosols
    • D. Smoke
    • Discuss
    • 9. The least preferred technique in the disposal of Municipal Solid Waste is

    • Options
    • A. Incineration
    • B. Composting
    • C. Land filling
    • D. Bricketting
    • Discuss
    • 10. A bomb explodes on the moon. You will hear its sound on earth after _________

    • Options
    • A. 20 minutes
    • B. 2 hrs 20 minutes
    • C. 3.7 hours
    • D. You cannot hear the sound of explosion
    • Discuss


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