SSC Geography Sample Paper NCERT Sample Paper-7

  • question_answer
    Consider the following statements with respect to volcanoes:
    1. A volcano is an opening in the earth's crust through which molten rock, ashes, stream etc. are rejected.
    2. Most of the volcanoes of the world are the result of plate tectonics
    3. Lava and magma is the same thing with respect to volcanic eruptions.
    4. A volcanic cone usually has a funnel shaped depression at its mouth which is known as a crater
    Which of the above statements is/are correct?

    A)  1, 2 and 3 only

    B)  2, 3 and 4 only

    C)  1, 2 and 4 only

    D)  3 and 4 only

    Correct Answer: C

    Solution :

    [c] Molten material within the earth is known as magma. Magma becomes lava when it comes out of the earth's interior and spreads over the surface.

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