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General Knowledge :: Environmental Science

  1. The most abundant greenhouse gas in the earth's atmosphere:

  2. A.

     Carbon dioxide (CO2)

    B.

     Nitrous oxide (N2O)

    C.

     Water vapour (H2O)

    D.

     Methane (CH4)

    E.

     Chlorofluorocarbons (CFCs)


  3. Frost forms when:

  4. A.

     Objects on the ground cool below the dew point temperature.

    B.

     The dew point is 32oF or below.

    C.

     Water vapor changes into ice without first becoming a liquid.

    D.

     All of the above


  5. A narrow valley with steep sides is known as

  6. A.

     Gorge

    B.

     Canyon

    C.

     Waterfall

    D.

     Landslide


  7. The temperature to which air must be cooled in order to become saturated is the:

  8. A.

     Minimum temperature

    B.

     Dew point temperature

    C.

     Wet-bulb temperature

    D.

     Freezing point


  9. The lowest temperature that can be attained by evaporating water into the air is known as the:

  10. A.

     Heat index

    B.

     Minimum temperature

    C.

     Wet-bulb temperature

    D.

     Frost point

    E.

     Wind chill temperature


  11. _________ is a source of all minerals.

  12. A.

     air

    B.

     water

    C.

     wildlife

    D.

     soil


  13. _________ energy is the energy stored within the earth.

  14. A.

     Geothermal

    B.

     Mechanical

    C.

     Wind

    D.

     Thermal


  15. The largest brackish water lake situated in Asia is in Orissa. Which is the lake?

  16. A.

     Chilka lake

    B.

     Vembanad lake

    C.

     Woolar lake

    D.

     Dal lake


  17. IUCN is also called as

  18. A.

     Man and Biosphere program

    B.

     World Conservation Union

    C.

     World Conservation Consortium

    D.

     World Wide Conservation Union


  19. 5th June is observed as

  20. A.

     World forest day

    B.

     World environment day

    C.

     World wildlife day

    D.

     World population day