Salinity

  1. Salinity in ocean water decrease when
    1. evaporation is more
    2. wind velocity is high
    3. rainfall is heavy
    4. humidity is high
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    NA

    Correct Option: C

    NA

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  1. The favourable percentage of sea water salinity from the point of view of fish production is
    1. 2.0 to 2.5
    2. 2.5 to 3.0
    3. 3.0 to 3.5
    4. 3.5 to 4.0
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    NA

    Correct Option: C

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  1. Average salinity of water of Arabian Sea is
    1. 25 ppt
    2. 35 ppt
    3. 45 ppt
    4. 55 ppt
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    NA

    Correct Option: B

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  1. Major source of oceanic salinity is
    1. Rivers
    2. Land
    3. Wind
    4. Ash from volcanoes
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    NA

    Correct Option: D

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  1. The relief of the ocean floor is generally
    1. more uniform than that of the continents
    2. not of much significance
    3. more diverse than that of the continents
    4. show minor variation only
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    NA

    Correct Option: C

    NA

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