Carbon Cycle and Nitrogen Cycle Quiz

Carbon enters the living world through the process of _____.

• photosynthesis
• respiration
• combustion
• decomposition

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NGSS.MS-LS1-6

In the nonliving environment, carbon exists as a gas in _____.

• cells
• geosphere
• atmosphere

Burning fossil fuel has which effect in the carbon cycle?

• It removes carbon dioxide from the atmosphere.
• It puts carbon dioxide under the ground.
• It adds carbon dioxide to the atmosphere.
• It has no effect in the carbon cycle.

Tags

NGSS.MS-ESS3-4

Which process takes carbon dioxide out of the atmosphere?

• respiration
• combustion
• decomposition
• photosynthesis

Tags

NGSS.MS-LS1-6

What converts nitrogen gas into a usable form for plants and animals?

• bacteria

• rain

• fungi

• car exhaust

Organisms that need nitrogen to survive.

• only plants

• only animals

• only bacteria

• all living things

Tags

NGSS.MS-LS2-1

How is nitrogen "fixed" into a usable form for plants?

• Through action of bacteria only

• Through lightning only

• Through action of bacteria and lightning

• Through photosynthesis

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

How do animals get the nitrogen they need?

• From the air they breathe

• From the water they drink

• From the food they eat

• From the sun

What is the process of combining nitrogen gas with other elements to make nitrogen into usable compounds?

• nitrogen composition

• nitrogen fixation

• ammonia

• denitrification

Plants and animals cannot use nitrogen directly from the air.

• True

• False