Biogeochemical Cycles Quiz Review

Nitrogen is a(n)

• Element

• Limiting Nutrient

• Buffer

• Abiotic component of biomes

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NGSS.MS-LS2-1

NGSS.MS-LS2-3

The largest reservoir of nitrogen is the:

• Oceans

• Rivers

• Rock, Lithosphere & Land

• Atmosphere

Nitrogen is added to the atmosphere by:

• Denitrification

• Fixation

• Reduction

• Oxidation

Nitrogen is removed from the atmosphere by:

• Denitrification

• Fixation

• Reduction

• Oxidation

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NGSS.MS-LS2-3

Which of the following is true of the carbon cycle?

• Carbon sinks includes forests and oceans

• Carbon dioxide is released during photosynthesis

• Carbon dioxide in the air is reduced by cutting trees

• Carbon is concentrated in an igneous rock

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NGSS.MS-ESS3-4

NGSS.MS-LS2-3

Nitrates and Nitrites are converted back to Atmospheric Nitrogen in :

• Nitrification

• Ammonification

• Denitrification

• Assimilation

Plants absorb ammonium to make protein and DNA through:

• Nitrification

• Ammonifciation

• Denitrification

• Assimilation

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NGSS.MS-LS2-3

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

• bacteria

• rain

• fungi

• car exhaust

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NGSS.MS-LS2-3

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-LS2-3

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

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NGSS.MS-LS1-7

NGSS.MS-LS2-3