Biogeochemical Cycles Quiz

Which cycle is responsible for the movement of carbon between the atmosphere, oceans, and living organisms?

• water cycle

• nitrogen cycle

• carbon cycle

• oxygen cycle

Tags

NGSS.MS-LS1-6

What is the primary source of carbon dioxide in the atmosphere?

• Burning of fossil fuels

• Industrial emissions

• Deforestation

• Volcanic eruptions

Tags

NGSS.HS-ESS2-6

Which process converts atmospheric nitrogen into a form that can be used by plants?

• nitrogen fixation

• denitrification

• nitrification

• nitrogen assimilation

What is the main reservoir of nitrogen in the biosphere?

• ocean

• atmosphere

• plants

• soil

What is the primary source of phosphorus in the biosphere?

• atmospheric gases

• ocean water

• organic matter

• rocks and minerals

Which cycle involves the exchange of oxygen between the atmosphere, plants, and animals?

• water cycle

• nitrogen cycle

• carbon cycle

• oxygen cycle

What is the main reservoir of oxygen in the biosphere?

• ocean

• soil

• plants

• atmosphere

What is the primary source of oxygen in the atmosphere?

• respiration

• photosynthesis

• combustion

• decomposition

Tags

NGSS.MS-LS1-6

Which form of nitrogen is MOST usable to MOST plants?

• nitrate

• nitrogen gas

• ammonium

• ammonia

• atomic nitrogen

Tags

NGSS.MS-LS2-1

Organisms require nitrogen to make which of the following?

• proteins and nucleic acids

• sugars and fats

• make energy

Tags

NGSS.MS-LS3-1