Multiple choice

Rajib was absent in the class because of muscle pain which he claims to be due to excess physical exercise he had done yesterday. This pain is due to

  1. Formation of lactic acid

  2. Formation of acetic acid

  3. Formation of Pyruvic acid

  4. Formation of Hydrochloric acid

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A Correct answer
Explanation

As the lactic acid system is anaerobic, there is no oxygen present. Pyruvic acid without the presence of oxygen forms lactic acid