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Name _______________________________________________________________________
Microorganisms Assessment – Bacteria Pre-Test
Objective – I can observe and summarize information about bacteria.
Use the pictures to answer the next question.
A
B
C
D
1. Identify the bacteria.
a. A
b. B
c. C
d. D
2. Bacteria have adapted to live in which of the following…
a. in the ocean.
b. in the desert and hot springs.
c. in snow or polar regions.
d. All of the above.
3. Just in numbers alone, which microorganism is the most numerous organism on Earth?
a. Protist
b. Fungi
c. Algae
d. Bacteria
4. Some bacteria reproduce inside our body and cause infections. Bacteria can cause sore throats,
acne, ear infections and even cavities in our teeth. Are these bacteria…
a. beneficial.
b. harmful.
c. both of them are possible in this case.
5. What do bacteria in our soils and waterways do to help our environment?
a. They serve as food for other organisms.
b. They decompose dead organisms and animal waste into chemical elements.
c. Change the nitrogen so plants can use it to grow.
d. All of the above.
Use the table to answer the next question.
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Time
Bacteria Growth Rate Over Time
(Starting With One Bacterium)
6. Bacteria multiply by doubling every 20 minutes in a warm place.
Starting with one bacteria, how many would there be at 120 and 140
minutes? (There are two or more answers to this question.)
a. 64
b. 88
c. 115
d. 128
Number
20 minutes
2
40 minutes
4
60 minutes
8
80 minutes
16
100 minutes
32
120 minutes
?
?
140 minutes
Bacteria are found in three different shapes. In the boxes below, draw
a picture of and identify the three shapes of bacteria.
7.
8.
9.
Microorganisms Assessment, Bacteria – Short Answer
1. List four facts about bacteria using a complete sentence to explain each fact.
_____________________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
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Microorganisms Assessment – Bacteria Pre-Test – Key I
Objective – I can observe and summarize information about bacteria.
Use the pictures to answer the next question.
A
B
C
D
1. Identify the bacteria.
a. A
b. B
c. C
d. D
b. B
1. b
2. Bacteria have adapted to live in which of the following…
a. in the ocean.
b. in the desert and hot springs.
c. in snow or polar regions.
d. All of the above.
d. All of the above.
2. d
3. Just in numbers alone, which microorganism is the most numerous organism on Earth?
a. Protist
b. Fungi
c. Algae
d. Bacteria
d. Bacteria
3. d
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4. Some bacteria reproduce inside our body and cause infections. Bacteria can cause sore throats,
acne, ear infections and even cavities in our teeth. Are these bacteria…
a. beneficial.
b. harmful.
c. both of them are possible in this case.
b. harmful
4. b (3 choices)
5. What do bacteria in our soils and waterways do to help our environment?
a. They serve as food for other organisms.
b. They decompose dead organisms and animal waste into chemical elements.
c. Change the nitrogen so plants can use it to grow.
d. All of the above.
d. All of the above.
5. d
Time
Use the table to answer the next question.
Bacteria Growth Rate Over Time
(Starting With One Bacterium)
6. Bacteria multiply by doubling every 20 minutes in a warm place.
Starting with one bacteria, how many would there be at 120 and 140
minutes? (There are two or more answers to this question.)
a. 64
b. 88
c. 115
d. 128
Number
20 minutes
2
40 minutes
4
60 minutes
8
80 minutes
16
100 minutes
32
120 minutes
?
?
140 minutes
a. 64; d. 128
6. a, d
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Bacteria are found in three different shapes. In the boxes below, draw a picture of and identify the
three shapes of bacteria.
7.
8.
9.
Bacillus
Coccus
Spirillum
Microorganisms Assessment, Bacteria – Short Answer
1. List four facts about bacteria using a complete sentence to explain each fact.
Answers will vary.
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