NEET Biology Biotechnology : Principles And Processes Question Bank Biotechnology and its Application

  • question_answer
    Which of the molecules listed below is a product of fermentation of glucose by yeast [MP PMT 1999]

    A) \[({{C}_{6}}{{H}_{10}}{{O}_{5}})n\]

    B) \[{{C}_{2}}{{H}_{5}}OH\]

    C) \[{{C}_{6}}{{H}_{12}}{{O}_{6}}\]

    D) \[C{{H}_{3}}OH\]

    Correct Answer: B

    Solution :

    \[{{C}_{12}}{{H}_{22}}{{O}_{11}}+{{H}_{2}}O\underset{\text{Invertase}}{\mathop{\xrightarrow{\text{Yeast}}}}\,\underset{\text{(Glucose)}}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,+\underset{(\text{Fructose})}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\] \[{{C}_{6}}{{H}_{12}}{{O}_{6}}\underset{\text{Zymase}}{\mathop{\xrightarrow{\text{Yeast}}}}\,\underset{\text{(Ethyl alcohol)}}{\mathop{2{{C}_{2}}{{H}_{5}}OH}}\,+2C{{O}_{2}}\]


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