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WorksheetsBiogeochemical Cycle Quiz
Total questions: 10
Worksheet time: 6mins
Which process removes carbon from the atmosphere?
Photosynthesis
Respiration
Combustion
Decomposition
What is the role of plants in the carbon cycle?
They release carbon dioxide through photosynthesis.
They absorb carbon dioxide during photosynthesis.
They release oxygen during respiration.
They absorb oxygen during respiration.
What is the final step of the nitrogen cycle?
Nitrogen fixation
Nitrification
Denitrification
Ammonification
What is the process called when organic nitrogen is converted back into ammonia?
Nitrogen fixation
Nitrification
Denitrification
Ammonification
What is the role of plants in the nitrogen cycle?
Convert nitrogen gas into ammonia
Absorb nitrates from the soil
Release nitrogen gas into the atmosphere
Convert ammonia into nitrites
Which of the following is not a part of the nitrogen cycle?
Nitrogen Fixation
Photosynthesis
Nitrification
Denitrification
What biogeochemical cycle is occuring?
Water cycle
Carbon Cycle
According to the diagram, deforestation
Can release carbon dioxide gas back into the atmosphere.
Directly creates fossil fuels.
Fixes carbon atoms in the soil,
Removes dissolved carbon dioxide from lakes and rivers.
What process does the purple arrow show?
Respiration
Photosynthesis
Combustion
Decomposition
