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General Knowledge :: Environmental Science

  1. Boron, Zinc and Manganese are usually referred to as

  2. A.

     Micronutrients

    B.

     Macronutrients

    C.

     Soil Vitamins

    D.

     MBZ nutrients

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  3. _________ are used for converting saline or brackish water into pure distilled water.

  4. A.

     Photo voltaic cells

    B.

     Solar desalination systems

    C.

     Solar cookers

    D.

     Solar water-heating

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  5. The primary cause of a radiation inversion is:

  6. A.

     Infrared radiation emitted by the earth's surface

    B.

     Infrared radiation absorbed by the earth's surface

    C.

     Solar radiation absorbed by the earth's surface

    D.

     Solar radiation reflected by the earth's surface

    E.

     Infrared radiation absorbed by the atmosphere and clouds

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  7. Charged particles from the sun that travel through space at high speeds are called:

  8. A.

     Radiation

    B.

     The aurora

    C.

     Solar wind

    D.

     Solar flares

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  9. All are particulate pollutants except

  10. A.

     Dust

    B.

     Ozone

    C.

     Soot

    D.

     Smoke

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  11. The rate at which temperature decreases with increasing altitude is known as the:

  12. A.

     Temperature slope

    B.

     Lapse rate

    C.

     Sounding

    D.

     Thermocline

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  13. A set of organisms that resemble one another in appearance and behaviour is called a _____________

  14. A.

     Exons

    B.

     Prions

    C.

     Species

    D.

     Guilds

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

  16. A.

     Relative humidity

    B.

     Absolute humidity

    C.

     Specific humidity

    D.

     All of the above

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  17. The pyramid of energy in terrestrial ecosystem is

  18. A.

     Upright

    B.

     Inverted

    C.

     Spindle shaped

    D.

     Irregular

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  19. The pyramid of numbers in a single tree is

  20. A.

     Upright

    B.

     Inverted

    C.

     Spindle shaped

    D.

     None of these

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