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General Knowledge :: Environmental Science

  1. Habitat loss and fragmentation, over exploitation, alien species invasion and co extinction are causes for

  2. A.

     Population exploitation

    B.

     Pollution

    C.

     Migration

    D.

     Ecological succession

    E.

     Biodiversity loss


  3. Drinking of fluoride containing water results :

  4. A.

     fluorosis

    B.

     chlorosis

    C.

     minemata

    D.

     methaemoglobinema


  5. The amount of solar radiation reaching the surface of the earth is called

  6. A.

     Solar flux

    B.

     reflected light

    C.

     minerals

    D.

     solvents


  7. The lag in daily temperature refers to the time lag between the:

  8. A.

     Time of maximum solar radiation and the time of maximum temperature

    B.

     Time of minimum temperature and the time of maximum solar radiation

    C.

     Minimum and maximum temperature for a day

    D.

     Minimum and maximum solar energy received at the surface for a given day

    E.

     Sunrise and sunset


  9. The study of minerals is called

  10. A.

     geology

    B.

     mineralogy

    C.

     mining science

    D.

     metallurgy


  11. MoEF means

  12. A.

     Ministry of Forest and Energy

    B.

     Ministry of Environment and Forests

    C.

     Ministry of Fuel and Energy

    D.

     Management of Environment and Forestry


  13. During a radiation inversion, wind machines

  14. A.

     Bring warm air down toward the surface

    B.

     Lift cool, surface air to higher altitudes

    C.

     Mix the air near the ground

    D.

     All of the above


  15. Which of the following will increase in a rising parcel of air?

  16. A.

     Saturation vapor pressure

    B.

     Relative humidity

    C.

     Mixing ratio

    D.

     Air temperature

    E.

     None of the above


  17. The maximum pressure that water vapor molecules would exert if the air were saturated is called the:

  18. A.

     Absolute humidity

    B.

     Boiling point

    C.

     Mixing ratio

    D.

     None of the above


  19. The density of water vapour in a given parcel of air is expressed by the:

  20. A.

     Absolute humidity

    B.

     Relative humidity

    C.

     Mixing ratio

    D.

     Specific humidity

    E.

     Saturation vapor pressure