Carbon and Oxygen Interactions in Environmental Cycles Quiz

Test your knowledge of biogeochemistry! Explore interactions of carbon & oxygen in Earth's atmosphere & ecosystems. Dive into greenhouse gases, photosynthesis, & more.

#1

Which process involves the conversion of carbon dioxide into organic compounds by plants?

Photosynthesis
Respiration
Combustion
Decomposition
#2

Which of the following is NOT a greenhouse gas?

Carbon dioxide (CO2)
Methane (CH4)
Oxygen (O2)
Water vapor (H2O)
#3

What is the process by which carbon is transferred from the atmosphere to the biosphere through photosynthesis?

Carbon capture
Carbon fixation
Carbon sequestration
Carbon assimilation
#4

Which molecule is responsible for transporting oxygen in the bloodstream of animals?

Carbon dioxide (CO2)
Water (H2O)
Hemoglobin (Hb)
Glucose (C6H12O6)
#5

Which of the following is a greenhouse gas that is more potent than carbon dioxide but less abundant?

Nitrous oxide (N2O)
Sulfur hexafluoride (SF6)
Water vapor (H2O)
Chlorofluorocarbons (CFCs)
#6

In which layer of the atmosphere does most of the Earth's ozone reside?

Troposphere
Stratosphere
Mesosphere
Thermosphere
#7

What is the primary source of atmospheric carbon dioxide?

Burning fossil fuels
Volcanic eruptions
Photosynthesis
Decomposition of organic matter
#8

Which compound is a common greenhouse gas and also an important component of smog?

Ozone (O3)
Nitrogen dioxide (NO2)
Sulfur dioxide (SO2)
Methane (CH4)
#9

What is the chemical formula for ozone?

O2
NO2
O3
SO2
#10

Which process involves the breakdown of organic matter by bacteria and fungi, releasing carbon back into the atmosphere?

Photosynthesis
Respiration
Combustion
Decomposition
#11

What is the term for the process by which carbon returns to the atmosphere from the Earth's surface?

Photosynthesis
Respiration
Decomposition
Combustion
#12

Which of the following is NOT a sink for carbon dioxide?

Forests
Oceans
Soil
Coal mines
#13

Which of the following human activities contributes the most to the release of carbon dioxide into the atmosphere?

Deforestation
Transportation
Agriculture
Industrial processes
#14

Which of the following is NOT a feedback mechanism related to carbon dioxide in the atmosphere?

Ocean acidification
Melting ice caps
Increased plant growth
Stratospheric ozone depletion
#15

Which of the following is a consequence of increased carbon dioxide levels in the atmosphere?

Decreased acidity in oceans
Increased biodiversity
More intense heatwaves
Stable climate patterns

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