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    Question

    ā€˜Khaira disease’ (also known as iron rust) of rice

    is caused due to:
    A Excessive application of nitrogen Correct Answer Incorrect Answer
    B Deficiency of zinc Correct Answer Incorrect Answer
    C Bacterial infection Correct Answer Incorrect Answer
    D Iron deficiency Correct Answer Incorrect Answer

    Solution

    Zn deficiency causes Khaira disease.

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