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    Question

    Which of the following pairs are correctly matched?

    1.    Brown spot of rice           Helminthosporium oryzae

    2.    Karnal Bunt of wheat      Neovassia indica

    3.    Bunt of rice                       Neovassia horrida

    4.    Hill bunt of wheat            Ustilago tritici

    Select the correct answer using the codes given below:

    A 2,3 and 4 Correct Answer Incorrect Answer
    B 1,2 and 4 Correct Answer Incorrect Answer
    C 1,3 and 4 Correct Answer Incorrect Answer
    D 1,2 and 3 Correct Answer Incorrect Answer
    E Only 1 and 2 Correct Answer Incorrect Answer

    Solution

    Ans. Hill bunt of wheat is caused by Tilletia tritici which is the only incorrect option among the given pairs.

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