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