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Bacteria And Viruses
Test Description: Ch 10
Instructions: Answer all questions to get your test result.
1) When bacteria reproduce by binary fission,
A
one cell produces two cells
B
two cells produce two more cells
C
two cells produce a third cell
D
one cell produces three or more cells
2) A way to prevent viral infactions is through
A
vaccinations
B
genetic engineering
C
antibiotics
D
bioremediation
3) Which of the following is NOT true of bacteria?
A
Bacteria change the sugar in milk to lactic acid
B
Bacteria change harmful chemicals into harmless ones
C
Bacteria change nitrogen into a form plants can use.
D
Bacteria change oxygen into nitrogen.
4) What organism can live where nothing else lives?
A
viruses
B
cyanobacteria
C
eubacteria
D
archaebacteria
5) All bacteria have
A
one cell
B
three cells
C
two cells
D
four or more cells
6) Which of the following is NOT a shape of bacteria?
A
spirilla
B
bacilli
C
cocci
D
crystal
7) Which of the following is NOT a shape of viruses?
A
spirilla
B
sphere
C
cylinder
D
crystal
8) What is one function that viruses share with living things?
A
They reproduce
B
They move
C
They eat
D
They grow
9) Viruses reproduce by
A
the lysogenic cycle and the lytic cycle
B
the lytic cycle only
C
binary fission
D
nitrogen fixation
10) What is one way bacteria help the environment?
A
they change nitrogen into oxygen
B
thye change oxygen into nitrogen
C
they change oxygen to a form plants can use
D
they change nitrogen to a form plants can use
*select an answer for all questions
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