DUMET Medical DUMET Medical Solved Paper-2009

  • question_answer
    Which of the following statements is not true?

    A)  Pheromones are secreted outside the body by the insects

    B)  Aspirin is analgesic and anti-pyretic

    C)  Sucrose is a dipeptide commonly known as aspartame

    D)  The DNA assists in the synthesis of RNA molecules

    Correct Answer: C

    Solution :

    Sucrose, \[{{C}_{12}}{{H}_{22}}{{O}_{11}}\], on hydrolysis gives glucose and fructose (ie, two monosaccharides), therefore it is a disaccharide. \[\underset{sucrose}{\mathop{{{C}_{12}}{{H}_{22}}{{O}_{11}}}}\,+{{H}_{2}}O\xrightarrow{{}}\underset{glucose}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\,\,\,+\,\,\,\underset{fructose}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\]


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