Role of gut microbiome · NCERT Biology

Gut microbiome helps prevent pathogen colonization mainly by:

  1. Producing digestive enzymes
  2. Increasing stomach acid secretion
  3. Competing for nutrients and space
  4. Stimulating bile production
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Correct answer: Competing for nutrients and space

Beneficial microbes compete with pathogens for nutrients and attachment sites. This competitive exclusion limits the growth of harmful organisms.

Difficulty: Medium Question 6 of 20

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