CSS Everyday Science 20101

26 Questions | Total Attempts: 72

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CSS Quizzes & Trivia

Questions and Answers
  • 1. 
    Water is heated in a kettle. Te inside water is heated by convection. A person sitting near the fire receives heat by :
    • A. 

      Conduction

    • B. 

      Convection

    • C. 

      Radiation

    • D. 

      Reflection

    • E. 

      None of these

  • 2. 
    A time can come when we will be able to design a machine which can go on working for ever without the expenditure of energy. Is it possible ?
    • A. 

      No

    • B. 

      Yes

    • C. 

      In due course time

    • D. 

      Very soon

    • E. 

      None of these

  • 3. 
    The measurement of rainfall is made by an instrument known as
    • A. 

      Hydrometer

    • B. 

      Barometer

    • C. 

      Hygrometer

    • D. 

      Pedometer

    • E. 

      None of these

  • 4. 
    Light year is a unit of 
    • A. 

      Distance

    • B. 

      Time Period

    • C. 

      Light intensity

    • D. 

      Time

    • E. 

      None of these

  • 5. 
    Three elements needed for the healthy growth of plants are :
    • A. 

      N,P,K

    • B. 

      N,C,P

    • C. 

      N,K,C

    • D. 

      N,S,P

    • E. 

      None of these

  • 6. 
    Copper can be converted into gold by
    • A. 

      Heating

    • B. 

      Artificial Radioactivity

    • C. 

      Electroplating

    • D. 

      Chemical reaction

    • E. 

      None of these

  • 7. 
    In winter an iron pipe feel colder than a wooden window . This is because wood is :
    • A. 

      Conductor

    • B. 

      Non-Conductor

    • C. 

      Semi- Conductor

    • D. 

      Not a solid while iron is a solid

    • E. 

      None of these

  • 8. 
    The echo (reflected sound) will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least :
    • A. 

      1120 ft

    • B. 

      120 ft

    • C. 

      56 ft

    • D. 

      100 ft

    • E. 

      None of these

  • 9. 
    T is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the
    • A. 

      Pitch

    • B. 

      Frequency

    • C. 

      Time period

    • D. 

      Quality

    • E. 

      None of these

  • 10. 
    When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is :
    • A. 

      Visible

    • B. 

      Transparent

    • C. 

      Invisible

    • D. 

      Opaque

    • E. 

      None of these

  • 11. 
    A six feet tall lady wants to see her full image in a plane mirror . The minimum length of the mirror will be :
    • A. 

      6 feet

    • B. 

      12 feet

    • C. 

      4 feet

    • D. 

      3 feet

    • E. 

      None of these

  • 12. 
    The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use 
    • A. 

      Red waves

    • B. 

      Infrared waves

    • C. 

      Ultrasonic

    • D. 

      Super sonic

    • E. 

      None of these

  • 13. 
    In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called :
    • A. 

      Chemical Reaction

    • B. 

      Nuclear reaction

    • C. 

      Fission nuclear reaction

    • D. 

      Fusion nuclear reaction

    • E. 

      None of these

  • 14. 
    Parsec is a unit of :
    • A. 

      Energy

    • B. 

      Time

    • C. 

      Power

    • D. 

      Distance

    • E. 

      None of these

  • 15. 
    German Silver is an alloy of:
    • A. 

      Zn + Ni

    • B. 

      Cu + Zn

    • C. 

      Cu + Ni

    • D. 

      Cu + Sn

    • E. 

      None of these

  • 16. 
    The Continent Antarctica lies at the: 
    • A. 

      North pole

    • B. 

      South pole

    • C. 

      Middle of the earth

    • D. 

      Equator

    • E. 

      None of these

  • 17. 
    The temperature of the dead body is:
    • A. 

      0 'C

    • B. 

      37 '

    • C. 

      Room temperature

    • D. 

      Temperature of the place where it is kept

    • E. 

      None of these

  • 18. 
    Lactometer is a type of Hydrometer which is used to measure the specific gravity of :
    • A. 

      Honey

    • B. 

      Water

    • C. 

      Milk

    • D. 

      Olive oil

    • E. 

      None of these

  • 19. 
    Cusec is a unit of :
    • A. 

      Area

    • B. 

      Time

    • C. 

      Distance

    • D. 

      Mass

    • E. 

      None of these

  • 20. 
    The deepest place on earth is
    • A. 

      Trench

    • B. 

      Mariana Trench

    • C. 

      Mangrove

    • D. 

      Groove

    • E. 

      None of these

  • 21. 
    Winkling of stars is caused by 
    • A. 

      Reflection of light

    • B. 

      Polarization of light

    • C. 

      Refraction of light

    • D. 

      Interference of light

    • E. 

      None of these

  • 22. 
    Agnifying power of a simple microscope can be increased by
    • A. 

      Increasing focal length of the lens

    • B. 

      Decreasing focal length of the lens

    • C. 

      Lens of large aperture

    • D. 

      Lens of short aperture

    • E. 

      None of these

  • 23. 
    Bronze medal is made up of metal :
    • A. 

      Copper , Zinc

    • B. 

      Copper , Nickle

    • C. 

      Copper , Tin

    • D. 

      Copper , Silver

  • 24. 
    One of the countries through which equator passes is 
    • A. 

      Kenya

    • B. 

      Pakistan

    • C. 

      Malaysia

    • D. 

      Malta

    • E. 

      None of these

  • 25. 
    A very important practical application of properties of matter is hoeing or "godi" practiced by the farmers. This property of matter is called :
    • A. 

      Elasticity

    • B. 

      Capillarity

    • C. 

      Stress

    • D. 

      Strain

    • E. 

      None of these