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    Question

    The first confirmed occurrence of herbicide resistant

    strain of a weed species in US was associated with
    A ALS inhibitors Correct Answer Incorrect Answer
    B Bipyridillium Correct Answer Incorrect Answer
    C Glycines Correct Answer Incorrect Answer
    D Triazines Correct Answer Incorrect Answer

    Solution

    First case of herbicide resistance was observed in 1969 in Senecio vulgaris (Common groundsel) to triazines in USA.

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