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    Question

    Rice grown on old cotton land show symptoms of a disorder called straight- head disease, a disease associated with decreased flower fertility, which is caused by

    A Exposure to chromium Correct Answer Incorrect Answer
    B Exposure to cadmium Correct Answer Incorrect Answer
    C Exposure to arsenic Correct Answer Incorrect Answer
    D Exposure to organophosphates Correct Answer Incorrect Answer

    Solution

    Rice grown on old cotton land may exhibit symptoms of straight-head disease due to exposure to arsenic, which was historically used in cotton fields.

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