Q167 / 180 · AIIMS 2011 · Zoology

Which of the following statements is incorrect regarding fermentation?

  • A
    Propionibacterium is used to ferment the cheese.
  • B
    The puffed-up appearance of dough is due to the production of $\mathrm{CO}_2$ gas.
  • Correct answer
    C
    Fermentation in muscle produces ethanol.
  • D
    Toddy is made by fermenting sap from palms.

Solution

Fermentation in muscle produces lactic acid. In our bodies certain muscle cells, called fast twitch muscles, have less capability for storing and using oxygen than other muscles. When we run, these muscles run short of oxygen, the fast twitch muscles begin using lactic acid fermentation. This allows the muscle to continue to function by producing ATP by glycolysis.

Hence, the correct answer is option: 'C'.

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