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General Knowledge :: Environmental Science

  1. An important reason for the large daily temperature range over deserts is:

  2. A.

     There is little water vapor in the air to absorb and re-radiate infrared radiation

    B.

     The light-colored sand radiates heat very rapidly at night

    C.

     Dry air is a very poor heat conductor

    D.

     Free convection cells are unable to form above the hot desert ground

    E.

     The ozone content of desert air is very low

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  3. The formula of growth rate for population in given time is

  4. A.

     dt/dN=rN

    B.

     dt/rN=dN

    C.

     dt/rN=dt

    D.

     dN/dt=rN

    E.

     dN/rN=dt

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  5. Air is composed of gases, water vapours and

  6. A.

     rainfall

    B.

     snowfall

    C.

     dust particles

    D.

     light

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  7. Which of the following is a biodiversity hot spots in India?

  8. A.

     Western Ghats

    B.

     Nandadevi

    C.

     Eastern Ghats

    D.

     Aravalli

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  9. Temperate forests occur in India in

  10. A.

     Indo-gangetic plains

    B.

     Himalayas

    C.

     Eastern India

    D.

     Southern peninsula

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  11. The unit of total water content of the soil is known as

  12. A.

     Holard

    B.

     Chraserd

    C.

     Echard

    D.

     All of the above

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  13. The unfavourable alteration of environment due to human activities is termed as

  14. A.

     ecological disturbance

    B.

     catastrophe

    C.

     ecological degradation

    D.

     pollution

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  15. The complex network of interconnected food chains is called ___________

  16. A.

     Trophic level

    B.

     Food web

    C.

     Ecological pyramid

    D.

     Ecology chain

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  17. Autecology deals with

  18. A.

     Ecology of species

    B.

     Ecology of many species

    C.

     Ecology of community

    D.

     All the above

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  19. Synecology deals with

  20. A.

     Ecology of many species

    B.

     Ecology of many populations

    C.

     Ecology of community

    D.

     None of the above

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