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Questions and Answers
What is the estimated number of pathogenic species in humans?
What is the estimated number of pathogenic species in humans?
- More than a thousand
- Several thousand
- Less than a hundred (correct)
- A few hundred
Which type of bacteria mainly grow in the soil and in decaying matter?
Which type of bacteria mainly grow in the soil and in decaying matter?
- Saprophytes (correct)
- Commensals
- Gut flora
- Pathogenic bacteria
What enables the body to resist microbial invasion of its tissues?
What enables the body to resist microbial invasion of its tissues?
- Pathogenic bacteria
- Defence mechanisms (correct)
- Saprophytes
- Beneficial commensals
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