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Quiz
•
Biology
•
8th Grade
•
Hard
Teresa Walker
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Humans burn fossil fuels and wood, releasing carbon dioxide into the atmosphere. This carbon dioxide is then absorbed by trees for photosynthesis. These processes are contributory to which chemical cycle?
The carbon cycle
The water cycle
The nitrogen cycle
The phosphorous cycle
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the human body return carbon to the atmosphere in the carbon cycle?
Waste products
Photosynthesis
Cellular respiration
Formation of glucose
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the carbon cycle, animals can release carbon back into the cycle through __________ or through __________.
burning . . . photosynthesis
fixation . . . decomposition
decomposition . . . photosynthesis
respiration . . . decomposition
respiration . . . photosynthesis
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of human impact on the carbon cycle?
The increased production of methane gases from cattle farms
The burning of fossil fuels
The cutting down of trees for lumber
Driving automobiles
All of the above
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a forest fire occurs, what will happen to the carbon in the forest?
It will go into the soil
It will go into the atmosphere
It will runoff into nearby streams and rivers
It will be destroyed
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does all the carbon in organisms (living things) originate from?
Earth's atmosphere
Rocks
Water
Soil
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do organisms (living things) move carbon through the carbon cycle?
Respiration only
Decomposition only
Photosynthesis, respiration, and decomposition
Decomposition and sedimentation
Respiration, decomposition, sedimentation, and photosynthesis
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