WorksheetsCarbon Cycle Quiz
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
1. Which of these processes causes the movement of carbon from the atmosphere to the biosphere?
a)
photosynthesis
b)
respiration
c)
decay
d)
diffusion
2.
2. Which of these organisms release carbon dioxide by feeding on dead organic matter such as plants and animals?
a)
producer
b)
herbivore
c)
decomposer
d)
carnivore
3.
3. Which of these is released as a result of burning fossil fuels?
a)
ammonia
b)
carbon dioxide
c)
ozone
d)
chlorine
4.
4, By which process does carbon move from the biosphere into the geosphere?
a)
tectonic activity
b)
photosynthesis
c)
combustion
d)
fossil fuel formation
5.
5. Which gas is released during plant respiration?
a)
oxygen
b)
carbon dioxide
c)
ammonia
d)
nitrogen
6.
6. Which organisms take in carbon dioxide?
a)
humans
b)
trees
c)
deer
d)
birds
7.
7. How does carbon get cycled back into the earth?
a)
through decomposers
b)
through the greenhouse effect
c)
through burning of fossil fuels
d)
through photosynthesis
8.
8. How does carbon dioxide cycle back and forth between plants and animals?
a)
Plants give off carbon dioxide, and animals take in carbon dioxide
b)
Animals breathe out carbon dioxide, and plants take in carbon dioxide
c)
Plants and animals breathe in carbon dioxide
d)
Plants and animals both breathe out carbon dioxide
9.
9. What happens when gases, like carbon dioxide, get trapped in the atmosphere?
a)
The temperature of the planet rises
b)
Plants produce more oxygen
c)
The amount of greenhouse gas decreases
d)
The number of decomposers increases
10.
10. Which process does not add carbon to the atmosphere?
a)
Photosynthesis
b)
Burning fossil fuels
c)
Human respiration
d)
Decaying animals
11.
11. Coal, oil, and natural gas are examples of
a)
atmospheric gases
b)
fossil fuels
c)
the hydrosphere
d)
biodiversity
12.
12. Why is carbon such an important element?
a)
Because carbon is a key element in producing electricity
b)
Because without carbon the Sun would run out of energy
c)
Because carbon is the central element to all living organisms
d)
All of the above
e)
None of the above
13.
13. What are processes that remove carbon from the atmosphere called?
a)
Sources
b)
Cycles
c)
Carbonates
d)
Sinks
e)
Filters
14.
14. What are processes that add carbon to the atmosphere called?
a)
Sources
b)
Cycles
c)
Carbonates
d)
Sinks
e)
Filters
15.
15. Which part of the carbon cycle occurs when plants, trees, or fossil fuels are burned?
a)
Photosynthesis
b)
The Oceans
c)
Respiration
d)
Decay
e)
Combustion
16.
16. How has man influenced the carbon cycle and increased the amount of carbon in the atmosphere?
a)
Burning coal
b)
Cutting down trees
c)
Burning oil
d)
All of the above
e)
None of the above
17.
17. What is the chemical symbol of carbon?
a)
O
b)
C
c)
N
d)
Ca
18.
18. The natural cycle in which carbon compounds, mainly carbon dioxide, are incorporated into living tissue through photosynthesis and returned to the atmosphere by respiration, decay of dead organisms, and the burning of fossil fuels is called the
a)
Water cycle
b)
Nitrogen cycle
c)
Carbon cycle
d)
Photosynthesis
100 %
