B. fragilis Bacteria Quiz
Authored by Charles Kennedy
Biology
6th Grade
NGSS covered
Used 11+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the normal population of B. fragilis bacteria in the healthy gut microbiome?
0.1%
0.5%
1%
5%
Tags
NGSS.MS-LS2-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do B. fragilis bacteria help strengthen the body's defenses?
By producing immune cells
By attacking harmful bacteria
By sticking to the gut wall
By repairing gut cells
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main reason why B. fragilis bacteria can thrive in the human gut?
They can break down undigested food
They can attack human cells
They can produce substances that keep gut cells healthy
They can escape from the gut
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when B. fragilis bacteria escape from the gut?
They attack human cells and use them as food
They strengthen the body's defenses
They prevent harmful microorganisms from moving in
They produce substances that repair and protect gut cells
Tags
NGSS.HS-LS2-6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are B. fragilis bacteria hard for the body's defenses to fight outside the gut?
Because they attack immune cells
Because they produce substances that weaken the immune system
Because they can use human cells as food
Because they can escape from the body
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can happen if the gut wall is damaged?
B. fragilis bacteria become harmless
B. fragilis bacteria become helpful
B. fragilis bacteria become dangerous
B. fragilis bacteria become inactive
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of B. fragilis bacteria in the human gut?
To attack harmful bacteria
To produce substances that repair gut cells
To prevent harmful microorganisms from moving in
To weaken the immune system
Tags
NGSS.HS-LS2-6
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