UPSC General Studies Sample Paper General Studies Sample Paper-5

  • question_answer
    Which of the following statements regarding the Jet streams is/are correct?
    1. Jet streams are caused by a combination of the Earth's rotation on its axis and atmospheric heating by solar radiation.
    2. The strongest Jet streams are the polar jets.
    3. The major Jet streams of the Earth flow from West to East.
    Select the correct answer using the codes given below.

    A)  Only 1             

    B)  1 and 2

    C)  2 and 3           

    D)  All of these

    Correct Answer: D

    Solution :

    [d] The Jet stream consists of ribbons of very strong winds which move weather systems around the globe. Jet streams are found 9-16 km above the surface of the Earth, just below the tropo pause and can reach speeds of 200 mph, All the given statements are correct. Jet streams are caused by a combination of the Earth's rotation on its axis and atmospheric heating by solar radiation. The strongest of all the Jet streams are the Polar jets. The major Jet streams of the Earth flow West to East.


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