Carbon and Nitrogen Cycle Review
Authored by Lisa Thompson
Science
9th Grade
NGSS covered
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is true about nutrients in the ecosystem (such as water, carbon, and nitrogen)?
They are not affected by humans in the ecosystem.
They cannot be recovered if they are lost in the ecosystem.
They cycle through the ecosystem in different forms to support life.
They are usually only found in one form in the ecosystem to support life.
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the carbon cycle, this type of organism breaks down organic (living) matter into nutrients in the soil, which can be used by plants.
Producers
Consumers
Decomposers
Tags
NGSS.MS-LS2-3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The nitrogen cycle has many key processes, including nitrogen fixation, nitrification, assimilation, ammonification, and denitrification. Which type of organism is involved in almost all of these processes?
Plants
Animals
Bacteria and decomposers
Tags
NGSS.MS-LS2-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why is respiration an important process in the carbon cycle?
It turns fossil fuels into carbon dioxide.
It turns once living things and organic matter into fossil fuels.
It turns carbon dioxide into glucose, so animals can eat the carbon.
It turns glucose into carbon dioxide, which gets released into the air.
Tags
NGSS.HS-LS2-5
NGSS.HS-LS2-3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why is photosynthesis an important process in the carbon cycle?
It turns fossil fuels into carbon dioxide.
It turns once living things and organic matter into fossil fuels.
It turns carbon dioxide into glucose, so animals can eat the carbon.
Tags
NGSS.MS-LS1-6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which is a process that does NOT introduce carbon into the atmosphere?
cellular respiration
burning fossil fuels
decomposition
photosynthesis
Tags
NGSS.MS-LS1-6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ammonia is converted to nitrates by ___________________bacteria and then the plant absorbs the nitrates
rhizobium
denitrifying
nitrifying
Tags
NGSS.MS-LS2-3
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