Nitrogen Cycle Practice Quiz Review

Nitrogen from animal wastes or plant and animal tissue....

• must be fixed near leguminous plants

• is lost from the system

• is fixed by bacteria and fungi in the soil

• is already fixed and can be used

Tags

NGSS.MS-LS2-3

What percentage of nitrogen is the air we breath on Earth?

• 78%

• 64%

• 22%

• 36%

Atmospheric nitrogen, in its gaseous form, is useful to plants.

• True

• False

Tags

NGSS.MS-LS2-1

Nitrogen is the least abundant of the major atmospheric gases.

• True

• False

Nitrogen fixing bacteria combine nitrogen with other elements so that producers can use it.

• True

• False

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Water run off from a farm can cause algae in the ocean to grow out of control.

• True

• False

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Nitrogen is not a key element in proteins.

• True

• False

Tags

NGSS.HS-LS1-1

Bacteria that convert atmospheric nitrogen into a form that plants can use are called nitrogen-fixing bacteria.

• True

• False

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Nitrifying bacteria convert.....

• Nitrogen oxide to nitrogen gas

• Nitrogen to nitrates

• Ammonium to nitrites

• Water to nitrogen gas

Which of the following have bacteria in their root nodules that fix nitrogen?

• Legumes

• Meat

• Trees

• Algae