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General Knowledge :: Environmental Science

  1. Which of the following processes acts to remove carbon dioxide from the atmosphere?

  2. A.

     Lightning

    B.

     Deforestation

    C.

     Photosynthesis

    D.

     Burning fossil fuels


  3. All food chains starts with __________ and ends with decay.

  4. A.

     Environment

    B.

     Organisms

    C.

     Photosynthesis

    D.

     Fungi


  5. The biosphere encompasses the total __________ of living material in a region or the globe.

  6. A.

     Diversity of species

    B.

     Animal population

    C.

     Photosynthesis

    D.

     Weight


  7. Meteorology is considered a branch of:

  8. A.

     Mineralogical sciences

    B.

     Phenology

    C.

     Phrenology

    D.

     Atmospheric sciences


  9. Study of inter-relationship between organisms and their environment is

  10. A.

     Ecology

    B.

     Ecosystem

    C.

     Phytogeography

    D.

     Ethology


  11. In an aquatic ecosystem, the tropic level equivalent to cows in grasslands is

  12. A.

     Nekton

    B.

     Zooplankton

    C.

     Phytoplankton

    D.

     Benthos


  13. The order of succession in a hydrosere is

  14. A.

     Rooted aquatic plants-> phytoplankton->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest

    B.

     Rooted aquatic plants-> phytoplankton->Free floating stage-> Sedge Meadow stage-> Reed swamp stage-> wood land stage-> Climax forest

    C.

     phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage-> wood land stage-> Sedge Meadow stage-> Climax forest

    D.

     phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest


  15. The species of plants that play a vital role in controlling the relative abundance of other species in a community are called

  16. A.

     Edge species

    B.

     Link species

    C.

     Pioneer species

    D.

     Successional species

    E.

     Keystone species


  17. The historical monument that is affected by acid rain is

  18. A.

     Taj Mahal

    B.

     Pyramid of Egypt

    C.

     Pisa Tower

    D.

     Golden Temple


  19. Good urban planning is essential for __________ land use.

  20. A.

     Rational

    B.

     Irrational

    C.

     Planned

    D.

     Unplanned