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Nitrogen Cycle

Authored by Allison Paris

Science

11th - 12th Grade

Used 1+ times

Nitrogen Cycle
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12 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

This can transform nitrogen in the atmosphere into a usable form of nitrogen

rain

ice

lightning

sun

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the role of denitrifying bacteria

change nitrate back into nitrogen gas

change nitrogen gas into nitrate

absorb carbon dioxide in the soil

release oxygen gas into the atmosphere

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

bacteria

rain

fungi

car exhaust

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which nitrogen cycle process is occurring when plant roots absorb ammonium ions and nitrate ions for use in making molecules such as DNA, amino acids, and proteins?

nitrogen fixation

nitrification

denitrification

ammonification

assimilation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which nitrogen cycle process is occurring when bacteria convert ammonium to nitrite and then into nitrate?

nitrogen fixation

nitrification

denitrification

ammonification

assimilation

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