Carbon Cycle Quiz

What is the carbon cycle?

• The process of carbon moving from living things to the atmosphere and back

• The process of carbon moving from the atmosphere to the ocean and back

• The process of carbon moving from the ground to living things and back

• The process of carbon moving from the ocean to the atmosphere and back

Why is carbon important for living things?

• It is the basis for life

• It helps in the production of oxygen

• It provides energy for plants

• It helps in the formation of sedimentary rocks

Where is carbon found?

• In the atmosphere

• In the ocean

• In the ground

• All of the above

What is the main component used by animals to build their bodies?

• Carbon dioxide

• Oxygen

• Calcium carbonate

• Sedimentary rock

What is the process of photosynthesis?

• The process of converting carbon dioxide and sunlight into oxygen and sugar

• The process of converting oxygen and sugar into carbon dioxide and sunlight

• The process of converting carbon dioxide and water into oxygen and sugar

• The process of converting oxygen and water into carbon dioxide and sugar

How does carbon enter the ocean?

• Through the process of photosynthesis

• Through the process of respiration

• Through the process of combustion

• Through the process of evaporation

What is the main component used by animals to build sedimentary rocks?

• Carbon dioxide

• Oxygen

• Calcium carbonate

• Sedimentary rock

What happens to carbon when living things die?

• It is released into the atmosphere

• It is stored in the ground

• It is converted into sedimentary rocks

• It is used for photosynthesis

What is the usefulness of fire in the carbon cycle?

• It helps in the production of carbon dioxide

• It helps in the formation of sedimentary rocks

• It helps in the release of carbon into the atmosphere

• It helps in the absorption of carbon from the atmosphere

How does the carbon cycle help in balancing carbon in the atmosphere?

• By converting carbon dioxide into oxygen

• By converting oxygen into carbon dioxide

• By releasing carbon into the atmosphere

• By absorbing carbon from the atmosphere