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Carbon Dioxide And Oxygen Cycle
Test Description: A quiz about the carbon dioxide and oxygen cycle.
Instructions: Answer all questions to get your test result.
1) The carbon cycle is the movement of carbon on Earth by the processes of --- and ---.
A
plants and animals
B
breathing in and breathing out
C
oxygen and carbon dioxide
D
respiration and photosynthesis
2) Oxygen is a gas produced by --- and used by ---.
A
animals...plants
B
carbon dioxide...photosynthesis
C
photosynthesis...carbon dioxide
D
plants...animals
3) Carbon dioxide is a gas produced by --- and used by ---.
A
plants...animals
B
carbon dioxide...photosynthesis
C
animals...plants
D
photosynthesis...carbon dioxide
4) Respiration is the process by which animals use --- and make ---.
A
carbon dioxide...oxygen
B
oxygen...carbon dioxide
C
photosynthesis...plants
D
plants...photosynthesis
5) Photosynthesis is the process by which --- make ---.
A
animals...oxygen
B
animals...carbon dioxide
C
plants...carbon dioxide
D
plants...oxygen
6) Plants require ---, ---, and --- for photosynthesis.
A
sunlight, water, and carbon dioxide
B
food, water, and carbon dioxide
C
food, water, and oxygen
D
sunlight, water, and oxygen
7) People and animals exhale --- during ---.
A
carbon dioxide...respiration
B
oxygen...photosynthesis
C
oxygen...carbon dioxide
D
carbon dioxide...photosynthesis
8) Planting large numbers of trees results in ---.
A
a decrease in carbon dioxide production
B
a decrease in oxygen production
C
an increase in carbon dioxide production
D
an increase in oxygen production
9) If there is a fire in the forest, there will be less --- in the environment.
A
oxygen
B
nitrogen
C
carbon dioxide
D
sunlight
10) What waste product released during the carbon dioxide-oxygen cycle is necessary for the survival of animals?
A
water
B
sunlight
C
oxygen
D
carbon dioxide
*select an answer for all questions
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