Nitrogen cycle

Nitrogen cycle

9th - 12th Grade

40 Qs

quiz-placeholder

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Nitrogen cycle

Nitrogen cycle

Assessment

Quiz

Biology

9th - 12th Grade

Medium

Created by

Richard Auka

Used 1+ times

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

bacteria

rain

fungi

car exhaust

2.

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

3.

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

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What process occurs when dead plant and animal matter decomposes and nitrogen is released back into the atmosphere?

Assimilation

Fixation

Ammonification

Denitrification

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

_____ is the conversion of organic nitrogen into ammonia

Nitrogen Fixation
Ammonification
Denitrification
Assimilation 

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Denitrification...

animals eat the plants and other animals that contain nitrogen and release it through their waste

Bacteria in the soil and lightning in the atmosphere “fix” the nitrogen

nitrogen is released back into the atmosphere from the animal’s waste or decomposers

plants absorb nitrogen through their roots and return it back to the atmosphere

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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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