Clostridium botulinum is an ...............parasite.

Options :
  1. Aerobe
  2. Anaerobe
  3. Obligate aerobe
  4. Obligate anaerobe

Answer and Explanation :-

Answer: Option 4


Clostridium botulinum is a rod-shaped microorganism. It is an obligate anaerobe, meaning that oxygen is poisonous to the cells. However, C. botulinum tolerates traces of oxygen due to the enzyme superoxide dismutase (SOD) which is an important antioxidant defense in nearly all cells exposed to oxygen.

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