BHU PMT BHU PMT (Screening) Solved Paper-2008

  • question_answer
    Which of the following is incorrect?

    A)  Invertase carries the hydrolysis of sugar into glucose and fructose.

    B)  Starch is converted into maltose with the help of diastase.

    C)  Maltase helps in converting maltose into glucose.

    D)  Maltase helps in converting starch into maltose.

    Correct Answer: D

    Solution :

                     \[\underset{sugar}{\mathop{{{C}_{12}}{{H}_{22}}{{O}_{11}}}}\,+{{H}_{2}}O\xrightarrow[or\,invertase]{{{H}^{+}}}\]        \[\underset{glu\cos e}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,+\underset{fructose}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\] \[2{{({{C}_{6}}{{H}_{10}}{{O}_{5}})}_{n}}+n{{H}_{2}}O\xrightarrow[Diastase]{{}}\underset{maltose}{\mathop{n{{C}_{12}}{{H}_{22}}{{O}_{11}}}}\,\] \[\underset{Maltose}{\mathop{{{C}_{12}}{{H}_{22}}{{O}_{11}}}}\,+{{H}_{2}}O\xrightarrow[or\,maltase]{{{H}^{+}}}\underset{glu\cos e}{\mathop{2{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\]


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