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    Question

    Which toxic substance is naturally present in watermelon

    that can be harmful if ingested in large amounts?
    A Saponin Correct Answer Incorrect Answer
    B Serotonin Correct Answer Incorrect Answer
    C Solanine Correct Answer Incorrect Answer
    D Cyanogenic glucoside Correct Answer Incorrect Answer
    E Nicotine Correct Answer Incorrect Answer

    Solution

    Watermelon may contain trace levels of cyanogenic glucosides, which can release hydrogen cyanide, although in low, generally non-toxic amounts.

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