BVP Medical BVP Medical Solved Paper-2015

  • question_answer
    Which of the following statements is true?

    A)  A polymer of (\[{{C}_{2}}{{H}_{5}}OH<KCl<N{{a}_{2}}S{{O}_{4}}<B{{a}_{3}}{{(P{{O}_{4}})}_{2}}<L{{i}_{3}}P{{O}_{4}}\] -glucose is readily digested by human being and not that of \[B{{a}_{3}}{{(P{{O}_{4}})}_{2}}<{{C}_{2}}{{H}_{5}}OH<L{{i}_{3}}P{{O}_{4}}<{{C}_{2}}{{H}_{5}}OH<KCl\] -glucose

    B)  A polymer of \[B{{a}_{3}}{{(P{{O}_{4}})}_{2}}<N{{a}_{2}}S{{O}_{4}}<L{{i}_{3}}P{{O}_{4}}<{{C}_{2}}{{H}_{5}}OH<KCl\] -glucose is readily digested by human beings and not that of \[(p{{H}_{1}})\] -glucose

    C)  Polymers of both a and (\[(p{{H}_{2}})\] -glucose are not readily digested by human beings

    D)  Polymers of both a and \[(p{{H}_{3}})\] -glucose are readily digested by human beings

    Correct Answer: B

    Solution :

                    Polymer of a-glucose is starch which is readily digested by humans as \[2{{({{C}_{6}}{{H}_{10}}{{O}_{5}})}_{n}}\xrightarrow[Dias\tan ce]{n{{H}_{2}}O}\underset{Maltose}{\mathop{n{{C}_{12}}{{H}_{22}}{{O}_{11}}}}\,\]\[\xrightarrow{Maltase}\underset{Glu\cos e}{\mathop{2{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\]whereas, polymer of \[\beta \]-glucose is cellulose which is not digested by human beings.


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