Carbon Cycle and Environmental Processes Quiz

Explore the carbon cycle with 15 questions covering processes, reservoirs, human impacts, and environmental effects.

#1

Which process releases carbon dioxide into the atmosphere?

Photosynthesis
Respiration
Decomposition
Transpiration
#2

What is the primary reservoir of carbon in the carbon cycle?

Atmosphere
Oceans
Biosphere
Geosphere
#3

Which of the following is not a greenhouse gas?

Methane (CH4)
Ozone (O3)
Carbon monoxide (CO)
Nitrous oxide (N2O)
#4

What is the term for the process by which plants release water vapor into the atmosphere?

Transpiration
Condensation
Evaporation
Precipitation
#5

What is the primary way carbon dioxide is removed from the atmosphere?

Photosynthesis
Volcanic activity
Burning fossil fuels
Deforestation
#6

Which human activity contributes significantly to the increase in atmospheric carbon dioxide levels?

Deforestation
Ocean acidification
Volcanic eruptions
Melting of permafrost
#7

Which molecule is responsible for trapping heat in the Earth's atmosphere, contributing to the greenhouse effect?

Oxygen (O2)
Nitrogen (N2)
Water vapor (H2O)
Carbon dioxide (CO2)
#8

What is the term for the process by which carbon is transferred from living organisms to the soil?

Photosynthesis
Respiration
Decomposition
Denitrification
#9

In the carbon cycle, what process returns carbon from the atmosphere to the Earth's surface?

Photosynthesis
Respiration
Precipitation
Deposition
#10

Which factor influences the rate of carbon dioxide absorption by oceans?

Ocean depth
Water temperature
Salinity
Wind speed
#11

What role do decomposers play in the carbon cycle?

Absorbing carbon dioxide
Releasing carbon dioxide
Storing carbon dioxide
Transforming carbon dioxide
#12

Which geological process involves the long-term storage of carbon in sedimentary rocks?

Weathering
Erosion
Fossilization
Subduction
#13

Which biome stores the largest amount of carbon in its soil?

Tropical rainforest
Desert
Tundra
Grassland
#14

Which process is responsible for converting organic matter into fossil fuels?

Photosynthesis
Decomposition
Combustion
Fossilization
#15

What role do phytoplankton play in the carbon cycle?

Storing carbon dioxide
Absorbing carbon dioxide
Releasing carbon dioxide
Transforming carbon dioxide

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