Q174 / 180 · NEET 2013 (All India) · Zoology

A good producer of citric acid is

  • Correct answer
    A
    Aspergittus
  • B
    Pseudomonas
  • C
    Clostridium
  • D
    Saccharomyces

Solution

A good producer of citric acid is Aspergitus niger (a fungus). Clostridium produces butyric acid, Saccharomyces cerevisiae is used for bread baking fermenting malted cereals and fruit juices to produce ethanol. Pseudomonas (a bacterium) is used in vitamin- $B_{12}$ production.

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

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