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    Question

    Sum of lignin and polysaccharides which are not digested

    in the digestive tract is ___
    A crude fibre Correct Answer Incorrect Answer
    B hemicellulose Correct Answer Incorrect Answer
    C carbohydrates Correct Answer Incorrect Answer
    D lipase Correct Answer Incorrect Answer
    E vitamins Correct Answer Incorrect Answer

    Solution

    Dietary fibre consists of the plant polysaccharides and lignin which are resistant to hydrolysis by digestive enzymes. 

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