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Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
Butter is produced from:
  • A
    Propanoic acid
  • B
    Butyric acid
  • C
    Pentanoic acid
  • D
    Ethanoic acid
✓

Answer

  1. Butyric acid

Explanation:

Butyric acid is a fatty acid found in animal fats and milk such as that of goat, sheep, buffalo etc. It is used to produce butter. When butter goes rancid, butyric acid is liberated from the glyceride by hydrolysis, leading to the unpleasant odour due to anaerobic fermentation.

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