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Book A, Ch 2 Test Review
Test Description: Bacteria and Viruses
Instructions: Answer all questions to get your test result.
1) Which of the following is NOT a common shape of bacteria?
A
bacilli
B
spirilla
C
cocci
D
crystal
2) A cell with no nucleus is called a(n)
A
endospore
B
host
C
prokaryote
D
eukaryote
3) What is the only power objective on the microscope with which you should use the coarse adjustment knob?
A
low power (red/4x on our microscopes)
B
medium power (yellow/10x on our microscopes)
C
you can use the coarse adjustment with any objective
D
high power (blue/40x on our microscopes)
4) Which of the following is NOT a common shape of viruses?
A
sphere
B
cylinder
C
crystal
D
cocci
5) Which of the following is NOT a true statement about binary fission?
A
The DNA and its copy attach to the inside of the cell membrane
B
As the cell grows, the loops of DNA become separated
C
The new bacterium is genetically different from the parent bacterium
D
The cell’s DNA is copied before cell division
6) Which of the following is NOT a true statement about viruses?
A
Viruses contain genetic material
B
Viruses cannot live on their own
C
Viruses obtain nutrients from their hosts’ cells
D
Viruses do not have cytoplasm
7) Bacteria are important to the planet as
A
All of the above
B
processors of nitrogen
C
decomposers of dead organic matter
D
makers of medicine
8) Bacteria are used for all of the following EXCEPT
A
preserving fruit
B
cleaning up oil spills
C
making antibiotics
D
making certain foods
9) A way to prevent viral infections is through
A
antibiotics
B
bioremediation
C
genetic engineering
D
vaccinations
10) What organisms can live where nothing else lives?
A
archaea
B
bacteria
C
cyanobacteria
D
viruses
11) All bacteria have
A
two cells
B
four or more cells
C
one cell
D
three cells
12) Which of the following is an example of bioremediation?
A
creating plants that are resistant to bacteria
B
using microorganisms to clean up an oil spill
C
adding nitrogen-fixing bacteria to the soil before planting crops
D
using bacteria to make yogurt
13) Which of the following is an example of genetic engineering?
A
using microorganisms to clean up an oil spill
B
creating plants that are resistant to bacteria
C
using bacteria to make yogurt
D
adding nitrogen-fixing bacteria to the soil before planting crops
14) Why do you think some people have digestive problems after they take a course of antibiotics?
A
the antibiotics weakened the people's immune systems so viruses could infect them
B
the antibiotics killed the good bacteria in their gut
C
the antibiotics are thick medicines that upsets their stomachs
D
the antibiotics were made with bacteria that make the people sick
15) What is one harmful outcome of using soaps that contain chemicals that kill bacteria?
A
They may smell unpleasant
B
They may dry your skin out
C
They may kill viruses your body needs
D
They may kill helpful bactria
16) Viruses do not eat, break down food, or use oxygen.
A
false
B
true
17) Nitrogen-fixing bacteria take nitrogen from the soil and change it to a form in the air that plants' leaves can absorb and use.
A
false
B
true
18) If the microscope you are using has an eyepiece with 10x power and you are using an 80x power objective, what is the total power you are using?
A
90x
B
70x
C
80x to the tenth power
D
800x
19) Which of the following is an example of a protist that is a producer?
A
parasite
B
slime mold
C
algae
D
sac fungus
20) What kind of protist would you expect to find near an underwater volcanic vent?
A
methane making archaea
B
heat loving archaea
C
cocci shaped virus
D
spirilla shaped bacteria
*select an answer for all questions
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