Role of gut microbiome · NCERT Biology

Which region of the human digestive system harbors the highest number of gut microbes?

  1. Acidic stomach
  2. Upper duodenum
  3. Terminal ileum
  4. Large intestine
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Correct answer: Large intestine

The large intestine provides an anaerobic and nutrient-rich environment ideal for microbial growth. Hence, it contains the highest density of gut microbiota.

Difficulty: Medium Question 2 of 20

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