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    Question

    Regarding Inter Tropical Convergence Zone (ITCZ),

    consider the following statements: 1. By July, the ITCZ shifts northwards roughly parallel to 20°-25° N latitude. 2. The northern shift of ITCZ is related to the withdrawal of the tropical easterly jet stream from the north Indian plain. 3. ITCZ attracts the maritime tropical air mass from the southern hemisphere. Which of the above statements is/are incorrect?
    A 2 only Correct Answer Incorrect Answer
    B 2 and 3 only Correct Answer Incorrect Answer
    C 1 and 3 only Correct Answer Incorrect Answer
    D 1, 2 and 3 Correct Answer Incorrect Answer

    Solution

    The shift in the position of the ITCZ is related to the phenomenon of the withdrawal of the westerly jet stream from its position over the north Indian plain, south of the Himalayas. Once the Westerly jet stream has withdrawn, the easterly Jet Stream (Somali Jet) sets in along 15°N latitude only after the western jet stream has withdrawn itself from the region. 

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