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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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