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Environmental Science - section-13
  1. The word Tsunami is derived from two Japanese words

    2. A.

     Tsu(big) and nami(flow)
    B.

     Tsu(harbour) and nami(wave)
    C.

     Tsu(big wave) and nami(wave)
    D.

     None of these

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  2. The proper order from shortest to longest wavelength is:

    3. A.

     Visible, infrared, ultraviolet
    B.

     Infrared, visible, ultraviolet
    C.

     Ultraviolet, visible, infrared
    D.

     Visible, ultraviolet, infrared
    E.

     Ultraviolet, infrared, visible

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  3. DDT is a ______________ pollutant

    4. A.

     Biodegradable
    B.

     Non biodegradable
    C.

     Un-biodegradable
    D.

     Naturally degradable

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  4. Noise is _______________

    5. A.

     Huge sound
    B.

     Sound of vehicles
    C.

     Undesirable and unwanted sound
    D.

     Sound of crackers

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  5. What is UNCED?

    6. A.

     United Nations Conference on Education,
    B.

     United Nations Conference on Environmental Day
    C.

     United Nations Conference on Environment and Development
    D.

     None of these

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  6. What is the official name of IUCN?

    7. A.

     World Wide Fund for Nature
    B.

     International Union for Conservation of Nature and Natural Resources
    C.

     United Nations Environment Programme
    D.

     United Nations Educational, Scientific and Cultural Organization

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  7. What is the most important factor for the success of animal population?

    8. A.

     Natality
    B.

     Adaptability
    C.

     Unlimited food
    D.

     Inter species activity

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  8. _________ is the element used to produce nuclear energy

    9. A.

     Palladium
    B.

     Strontium
    C.

     Uranium
    D.

     Rhodium

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  9. Carbon dioxide is called greenhouse gas because it is

    10. A.

     Transparent to sunlight but traps heat
    B.

     Transparent to heat but traps sunlight
    C.

     Used in green-house to increase plant growth
    D.

     Transparent to both sunlight and heat

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  10. Which of the following enhances soil fertility?

    11. A.

     Crop rotation
    B.

     Improved methods of agriculture
    C.

     Using new seed varieties
    D.

     Irrigation

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