UPSC General Studies Sample Paper General Studies Sample Paper-6

  • question_answer
    Which of the following facts are not considered with respect to sea floor spreading?
    1. Volcanic activity along the mid-oceanic ridges.
    2. Stripes of normal and reverse magnetic field observed in rocks of ocean floor.
    3. Distribution of fossils in different continents.
    4. Age of rocks from the ocean floor.
    Select the correct answer using the codes given below.

    A)  1, 2 and 4                    

    B)  2 and 4

    C)  Only 3             

    D)  All of these

    Correct Answer: C

    Solution :

    [c] Statement 1, 2 and 4 are correct with respect to the concept of sea floor spreading. Detailed analysis of magnetic properties of the rocks on either sides of the mid-oceanic ridge. The oceanic crust rocks are much younger than continental rocks. Statements is not considered with respect to sea floor spreading.

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