The natural bacterial flora is beneficial to humans because they:
Correct answer: A. Interfere with pathogenic colonization
- A. Interfere with pathogenic colonization
- B. Develop resistance against antigens
- C. Develop resistance against physical agents
- D. Produce antibiotic against pathogens
Explanation
Bacterial flora is beneficial because it prevents colonisation by pathogens by competing for attachment & nutrients.
This question appeared on the NUMS 2021 paper, which you can sit online with every answer explained.
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