UPSC Geography Oceans and continents Question Bank Oceanography

  • question_answer Consider the following statements regarding salinity of the ocean waters.
    1. The salinity patterns of the surface waters of the Pacific Ocean are influenced largely by wind, rain and evaporation.
    2. The water within the belt of calms and variable winds near the equator has lower salinity as compared to those in the trade wind bells.
    3. The higher salinity in the open Pacific occurs in the southern tropical belt.
    4. The lowest salinities occur in area near the Aleutian Islands.
    Which of the above statements are correct?

    A)  1 only                         

    B)  1 and 2 only

    C)  1, 2 and 3 only  

    D)  1, 2, 3 and 4

    Correct Answer: C

    Solution :

     Salinity near the Aleutian Islands is nearly 32% whereas salinity in the Baltic Sea and Gulf of Bothnia is only \[\text{3-15}{\scriptstyle{}^{\text{o}}/{}_{\text{oo}}}.\]

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