Biogeochemical Cycles Quiz A

Which cycle is primarily responsible for the movement of nitrogen through the living and non-living parts of ecosystems?

• Carbon Cycle

• Nitrogen Cycle

• Phosphorus Cycle

• Water Cycle

Which cycle is an example of a hydrologic biogeochemical cycle?

• Carbon cycle

• Water cycle

• Nitrogen cycle

• Phosphorus cycle

What type of biogeochemical cycle is the nitrogen cycle classified as?

• Hydrologic

• Atmospheric

• Sedimentary

• Aquatic

Which of the following is a sedimentary biogeochemical cycle?

• Water cycle

• Carbon cycle

• Phosphorus cycle

• Oxygen cycle

Which process in the carbon cycle is primarily responsible for releasing carbon dioxide back into the atmosphere from animals?

• Erosion

• Respiration

• Photosynthesis

• Combustion

What natural resources are shown as sources of carbon in the carbon cycle diagram?

• Plants and animals

• Coal and oil

• Water and air

• Sunlight and soil

What is the carbon cycle?

• The process by which carbon is recycled in the ecosystem.

• The movement of oxygen from the atmosphere to living organisms.

• A cycle that describes the transformation of nitrogen into various chemical forms.

• The process by which water cycles through the environment.

Why is carbon important for living organisms?

• It is a primary component of nucleic acids and enzymes.

• It is essential for the production of energy in cells.

• It is a fundamental component of proteins, fats, and carbohydrates.

• It helps in the transport of oxygen by red blood cells.

What is a key ingredient of living tissue?

• Oxygen

• Hydrogen

• Nitrogen

• Carbon

What form does carbon take in the atmosphere?

• Carbon monoxide

• Methane

• Carbon dioxide

• Carbon tetrachloride