WorksheetsCarbon and Nitrogen Cycle Quiz
Total questions: 15
Worksheet time: 8mins
What is the purpose of a rotating compost bin?
To decompose biodegradable materials
To store overripe fruit
To grow plants
To trap heat in the atmosphere
What are the two major elements that compost supplies plants with?
Calcium and Potassium
Oxygen and Hydrogen
Carbon and Nitrogen
Sodium and Chlorine
What is the branch of science that studies the interactions of molecules containing carbon?
Chemistry
Biology
Geology
Physics
How many valence electrons does a carbon atom have?
6
2
8
4
Where is carbon found as a reservoir?
In living organisms
All of the above
In the ocean
In the atmosphere
What is the primary gas in the atmosphere?
Nitrogen
Hydrogen
Carbon Dioxide
Oxygen
What is the process where nitrogen is fixed into ammonia and ammonium?
Nitrogen fixation
Photosynthesis
Ammonification
Denitrification
What can happen if excess nitrogen from plant fertilizer drains into bodies of water?
It can cause excessive growth of aquatic producers
It can decrease dissolved oxygen in the water
Both A and B
None of the above
What is the purpose of denitrifying bacteria in the soil?
To produce carbon dioxide
To convert nitrates and nitrites into atmospheric nitrogen gas
To fix nitrogen into ammonia
To perform photosynthesis
What is the result of the burning of fossil fuels?
Release of nitrogen gas
Release of oxygen
Release of hydrogen gas
Release of carbon dioxide
What is the form of carbon that makes up one of the hardest substances, diamond?
Coal
Graphite
Charcoal
Carbon Monoxide
What is the form of nitrogen that plants can easily use and assimilate?
Nitrates
Atmospheric nitrogen gas
Nitrites
Ammonia
What is the process where both plants and animals decompose and return ammonia to the soil?
Nitrogen fixation
Denitrification
Ammonification
Photosynthesis
What is the concern of excessive carbon dioxide in the atmosphere?
It can cause excessive growth of aquatic producers
It can decrease carbon levels in the atmosphere
It can increase dissolved oxygen in the water
It can trap heat in the atmosphere
What is the term for molecules that contain carbon?
Mineral molecules
Organic molecules
Synthetic molecules
Inorganic molecules
