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12th
grade

Science

60%

accuracy

2

plays

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8 months

Science

12th

grade

Nitrogen Cycle

user

2
plays

8 questions

8 questions

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1. Multiple Choice
30 seconds
1 pt
What is the most common form of nitrogen in our atmosphere?
Oxygen
Carbon
Ammonia
Molecular nitrogen
2. Multiple Choice
30 seconds
1 pt
Which organisms are responsible for fixing nitrogen from the air?
Plants
Animals
Bacteria
Fungi
3. Multiple Choice
30 seconds
1 pt
What is the form of nitrogen that is usable by plants?
Ammonia
Nitrites
Nitrates
Molecular nitrogen
4. Multiple Choice
30 seconds
1 pt
Which organic molecule contains nitrogen?
Glucose
Amino acid
Lipid
DNA
5. Multiple Choice
30 seconds
1 pt
What is the function of ATP in biological systems?
Energy storage
Cellular respiration
DNA replication
Protein synthesis
6. Multiple Choice
30 seconds
1 pt
What is the role of bacteria in the nitrogen cycle?
Fixing carbon
Producing oxygen
Fixing nitrogen
Breaking down ammonia
7. Multiple Choice
30 seconds
1 pt
What happens to nitrogen when an organism dies?
It disappears
It forms out of nowhere
It gets released back into the atmosphere
It gets stored in the soil
8. Multiple Choice
30 seconds
1 pt
What are the rate-limiting factors for plant growth?
Carbon and oxygen
Nitrogen and phosphorous
Ammonia and nitrites
Bacteria and fungi
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