DUMET Medical DUMET Medical Solved Paper-2002

  • question_answer
    Ethylene is involved in :

    A)  aerobic respiration

    B)  anaerobic respiration

    C)  climacteric respiration

    D)  fermentation

    Correct Answer: C

    Solution :

    When a fruit ripens its respiration rate gradually  decreases but it is reversed by a sharp increase called climacteric. Ethylene causing ripening of fruits accompanied with increase in rate of respiration known as climacteric respiration. The biological oxidation of food material in presence of oxygen is called aerobic respiration. The incomplete oxidation of food material in the absence of \[{{O}_{2}}\] is called. anaerobic respiration. Fermentation is also anaerobic respiration. The conversion of glucose into ethyl alcohol and \[C{{O}_{2}}\]by microorganism or the enzymes secreted by them is named as fermentation by Pasteur 1860. \[{{B}_{12}}\]Energy


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