Home / General Knowledge / World Environment and Ecology :: section-1

General Knowledge :: World Environment and Ecology

  1. The method of soil conservation in which rocks are piled up to slow down the flow of water which prevents gullies and further soil loss is called

  2. A.

     Mulching

    B.

     Contour barriers

    C.

     Rockdam

    D.

     Terrace Farming


  3. The World's largest bio-fuel plant has been established with a production capacity of 100 million liters per year, is located in

  4. A.

     China

    B.

     India

    C.

     Brazil

    D.

     USA


  5. Rio Summit is associated with

  6. A.

     Convention on Biological Diversity

    B.

     Green house gases

    C.

     Ozone depletion

    D.

     Wet lands


  7. The method of soil conservation in the coastal and dry regions where rows of trees are planted to check the wind movement to protect soil cover is called

  8. A.

     Mulching

    B.

     Contour barriers

    C.

     Rock dam

    D.

     Shelter belts


  9. The radiant energy received by the Earth from the sun is

  10. A.

     Radiation

    B.

     Insolation

    C.

     Reflection

    D.

     Refraction


  11. Which has the maximum rate of deforestation?

  12. A.

     Tropical Zone

    B.

     Desert Zone

    C.

     Temperate Zone

    D.

     Northern Forest


  13. Which of the following aquatic plant is effective in preventing the water-pollution caused by industrial waste?

  14. A.

     Water Hyacinth

    B.

     Elephant Grass

    C.

     Parthenium

    D.

     (2) and (3)