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WorksheetsBiogeochemical Cycles Quiz
Total questions: 10
Worksheet time: 5mins
What is the term for water evaporating from the leaves of plants?
Evaporation
Transpiration
Precipitation
Condensation
What happens during the process of evaporation?
Water turns from a gas to a liquid
Water turns from a liquid to a gas
Water falls from the sky
Water moves through soil
What is precipitation?
Water vapor forming clouds
Water falling as rain, snow, sleet, or hail
Water moving through soil
Water evaporating from oceans
What is the process called when bacteria in the soil convert nitrogen gas into ammonium ions?
Nitrification
Denitrification
Nitrogen Fixation
Assimilation
What is the role of decomposers in the nitrogen cycle?
They fix nitrogen gas into ammonium.
They convert nitrogen compounds into ammonium.
They turn nitrates into nitrogen gas.
They absorb nitrates from the soil.
What percentage of our atmosphere is made up of nitrogen gas?
50%
78%
25%
90%
How do decomposers contribute to the phosphorus cycle?
They add phosphates to crops.
They release phosphate ions from rocks.
They recycle phosphates from dead organisms.
They dissolve phosphates in water.
What is the process called when bacteria change nitrates into nitrogen gas, returning it back into the atmosphere?
Nitrification
Nitrogen Fixation
Ammonification
Denitrification
Liquid water that runs along the surface and collects into a river, lake, or ocean is called?
Infiltration
Groundwater
Surface Runoff
Evaporation
What is the main thing that carries out Nitrogen Fixation?
Lightning
Bacteria
Plants
Humans
