NEET Sample Paper NEET Sample Test Paper-7

  • question_answer
    The enzymes which are used to convert starch into ethyl alcohol are

    A)  maltase, diastase

    B)  diastase, maltase, zymase

    C)  invertase, zymase

    D)  invertase, diastase, maltase

    Correct Answer: B

    Solution :

    \[\underset{Starch}{\mathop{\left( {{C}_{6}}{{H}_{10}}{{O}_{5}} \right)}}\,+n{{H}_{2}}O\xrightarrow{Diastase}\underset{Maltose}{\mathop{n{{C}_{12}}{{H}_{22}}{{O}_{11}}}}\,\] \[{{C}_{12}}{{H}_{22}}{{O}_{11}}+{{H}_{2}}O\xrightarrow{Maltase}\underset{\text{Glucose}}{\mathop{2{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\] \[{{C}_{6}}{{H}_{12}}{{O}_{6}}\xrightarrow{Zymase}\underset{ethyl\,alcohol}{\mathop{2{{C}_{2}}{{H}_{5}}OH}}\,+2C{{O}_{2}}\]


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