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Bacteria
Test Description: Taks review
Instructions: Answer all questions to get your test result.
1) Some bacteria benefit mammals by helping with
A
digestion
B
growth
C
respiration
D
defense
2) Many species of bacteria are in the mouth. Which explains the variety in the mouth?
A
the presence of nutrients makes the mouth a favorable habitat
B
calcium in the teeth provides a suitable pH environment
C
large volumes of air cause bacteria to change form
D
salivary glands cause mutations in bacterial populations
3) Raw poultry has disease causing bacteria. Which will provide people protection?
A
cooking foods properly
B
rinsing dishes thoroughly
C
visiting a doctor regularly
D
eating a balanced diet daily
4) Which organism lives in the human intestine and aids in the digestivea process?
A
the bacterium Escherichia coli
B
the algae Fucus vesiculosus
C
the protozoan Entamoeba coli
D
the fungus Trichophyton rubrum
5) Milk has lactose, yogurt contains live bacteria. What does this information demonstrate?
A
bacteria raise the acidity of processed foods.
B
bacteria can prevent insulin production
C
some bacteria interfere with digestion
D
some bacteria are beneficial to human health
6) Which factor helps spread disease causing bacteria?
A
access to new hosts
B
mutation by heat energy
C
availability of light
D
low temperatures
7) Which of these conditions is caused by bacteria?
A
colds
B
seasonal allergies
C
AIDS
D
dental cavities
8) Streptococcus infection causes pain and fever. Strep can be controlled by antitiotics wh
A
it is a protozoan
B
it is a bacterium
C
it is a fungus
D
it is a virus
9) All the symptoms are associated with bacterial infection except
A
increased red blood cell count
B
elevated body temperature
C
swollen glands or tissues
D
skin rashes or lesions
10) some antibiotics causes digestive side effects. the side effects are the result of
A
too much water being drwn into the digestive tract
B
the antibiotics being converted into stomach acids
C
the stomach wall being torn
D
bacteria being killed in the digestive tract
*select an answer for all questions
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