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    Question

    The weeds that produce all or most of their vegetative

    growth beneath the water surface, having true roots, stems and leaves are:
    A Emerged weeds Correct Answer Incorrect Answer
    B Submersed weeds Correct Answer Incorrect Answer
    C Floating weeds Correct Answer Incorrect Answer
    D Marginal weeds Correct Answer Incorrect Answer
    E Aquatic weeds Correct Answer Incorrect Answer

    Solution

    Submersed weeds are vascular plants that produce all or most of their vegetative growth beneath the water surface, having true roots, stems and leaves. Eg. Utricularia stellaris, Ceratophyllum demersum. 

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