UPSC Geography Oceans and continents Question Bank Oceanography

  • question_answer Consider the following statements regarding salinity of the ocean waters.
    1. Salinity near the equator is very low due to heavy rainfall and little evaporation.
    2. Salinity near the Tropic of Cancer is high due to huge evaporation and steady trade winds.
    3. Salinity in the polar region is very low due to little evaporation and melting of ice.
    4. The lowest salinity is found in the Red Sea.

    A)  1 and 4 are correct        

    B)  2 and 4 are correct

    C)  3 and 4 are correct        

    D)  1,2, and 3 are correct

    Correct Answer: D

    Solution :

     Areas surrounding the Red Sea have hot and dry climate which results in high rate of evaporation of the sea water. This results in high level of salinity in the Red Sea. Salinity in the Red Sea varies from 36 to 41%o whereas the average salinity of the ocean waters is 35%o.

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