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7 Grade Science
Formative Assessment #10
Multiple Choice
Directions: Identify the choice that best completes the statement or answers the question.
SC.8.L.18.1
1. One hundred samples of living plant tissues were placed in each of four sealed containers of
equal volume. The amount of CO2 present in each of the containers was 250 cubic
centimeters (cm3). The data table shows the color of light and the temperature that each
container was exposed to. The amount of CO2 remaining in each container at the end of 2
days is also shown in the table. Assume that any experimental conditions not listed are
identical in all four containers.
Justify, in which container was photosynthesis most likely taking place at the fastest rate?
A. Container 1, because photosynthesis occurs fastest at lower temperatures.
B. Container 2, because this container contains the lowest amount of CO2 after 2 days.
C. Container 3, because this container contains the highest amount of CO2 after 2 days.
D. Container 4, because photosynthesis occurs faster with exposure to orange
wavelength light.
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2. One immediate cause of a decrease in the rate of photosynthesis is a reduction in the
availability of
A.
B.
C.
D.
Carbon monoxide
Carbon dioxide
Glucose
Oxygen
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SC.8.L.18.1
3. In the material cycle shown below, which processes are represented by letters A and B?
A.
B.
C.
D.
A – excretion, B – respiration
A – transpiration, B – excretion
A – photosynthesis, B – transpiration
A – respiration, B – photosynthesis
SC.8.L.18.1
4. The table below lists the gases coming from a modern Hawaiian volcano.
If ancient volcanoes gave off the same gases, which gas would have been most helpful in
the development of early life-forms that could carry out photosynthesis?
A.
B.
C.
D.
Chlorine (Cl2)
Nitrogen (N2)
Sulfur Dioxide (SO2)
Carbon Dioxide (CO2)
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SC.8.L.18.1
5. Use the information below to answer the following question.
Which process is the most scientifically plausible explanation for how the organisms released
oxygen into Earth’s atmosphere?
A.
B.
C.
D.
The cells produced sugar and oxygen during photosynthesis.
The cells gave off oxygen during cell division as they rapidly reproduced.
The cells broke down carbon dioxide to carbon and oxygen to obtain energy.
The cells combined nitrogen and hydrogen atoms by nuclear fusion to produce
oxygen.
SC.8.L.18.2
6. The diagram represents some processes occurring in the leaf of a plant. Which letters
indicate substances needed by the leaf to carry out the process of aerobic cellular respiration?
A.
B.
C.
D.
A and C
C and D
B and C
B and D
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SC.8.L.18.2
7. Which statement most accurately describes the process of respiration?
A. It occurs only in plants during daylight hours and involves ingestion of preformed
organic molecules.
B. It occurs continuously in the cells of all organisms and involves the synthesis of organic
molecules.
C. It occurs continuously in the cells of all organisms and usually involves an exchange of
gases.
D. It occurs only in plants during daylight hours and usually involves an exchange of gases.
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8. Which of these statements is best illustrated by this diagram?
A.
B.
C.
D.
Animals under water eat plants.
Land animals exhale oxygen into water.
Water-dwelling animals breathe carbon dioxide.
Plants can take in carbon dioxide from air or water.
SC.8.L.18.2
9. Which of the following is produced when sugar is digested in an animal cell?
A.
B.
C.
D.
Carbon dioxide
Chlorophyll
Oxygen
Sunlight
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SC.8.L.18.2
10. Which process is represented by the arrow in the diagram below?
Energy
Stored in
Food
A.
B.
C.
D.
Energy
Available for
Use by Living
Organisms
growth
regulation
respiration
photosynthesis
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7th Grade Science Formative Assessment #10 Answer Key
Number
Benchmark
Correct Answer
DOK
1.
2.
SC.7.L.18.1
SC.7.L.18.1
SC.7.L.18.1
B
B
3
3
3
3.
D
D
A
D
C
D
9.
SC.7.L.18.1
SC.7.L.18.1
SC.7.L.18.2
SC.7.L.18.2
SC.7.L.18.2
SC.7.L.18.2
A
3
3
3
3
3
3
10.
SC.7.L.18.2
C
3
4.
5.
6.
7.
8.
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