Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Biogeochemical Cycles

Total questions: 40

Worksheet time: 26mins

Name
Class
Date
1.
Which is NOT a process of the water cycle?
a)
precipitation
b)
freezing
c)
transpiration
d)
evaporation
2.
The process of plants losing water through their leaves is called ____.
a)
condensation
b)
evaporation
c)
transpiration
d)
exhaling
3.
What is the most abundant gas in the atmosphere?
a)
hydrogen
b)
oxygen
c)
helium
d)
nitrogen
4.
Nitrogen that is not combined with other elements and found in the atmosphere as gas is _____.
a)
free nitrogen
b)
nitrogen compounds
c)
ammonia
d)
nitrates
5.
Where are denitrifying bacteria found?
a)
In the soil
b)
Root nodules
c)
In dead things
d)
In the atmosphere
6.
Where are nitrogen-fixing bacteria found?
a)
In the soil
b)
Root nodules
c)
In dead things
d)
In the atmosphere
7.
What happens during the process of nitrogen-fixation?
a)
Nitrogen compounds turn into free nitrogen
b)
Free nitrogen turns into nitrogen compounds
8.
What happens during the process of denitrification?
a)
Nitrogen compounds turn into free nitrogen
b)
Free nitrogen turns into nitrogen compounds
9.
What is the only process that removes carbon from the atmosphere?
a)
combustion
b)
cellular respiration
c)
photosynthesis
d)
decomposition
10.

Which cycle are fossil fuels (oil, coal, natural gas) part of?

a)

carbon

b)

water

c)

nitrogen

d)

phosphorus

11.

Which cycle DOESN'T have an atmosphere component (part)?

a)

carbon

b)

nitrogen

c)

phosphorus

d)

water

12.

Which one of these does not add CO2 to the atmosphere?

a)

cooking with gas

b)

planting trees

c)

burning wood

d)

riding in a bus

13.
Organisms that break down dead plants & animals and release nitrogen back into atmosphere...
a)
bacteria
b)
plants
c)
animals
d)
producers
14.
Identify the cycle pictured.
a)
The Water cycle
b)
The Carbon cycle
c)
The Nitrogen cycle
d)
The Phosphorus cycle
15.
Identify the cycle pictured.
a)
The Water cycle
b)
The Carbon cycle
c)
The Nitrogen cycle
d)
The Phosphorus cycle.
16.

Identify the cycle pictured.

a)

The Water cycle

b)

The Carbon cycle

c)

The Nitrogen cycle

d)

The Phosphorus cycle.

17.

Identify the cycle pictured.

a)

The Water cycle

b)

The Carbon cycle

c)

The Nitrogen cycle

d)

The Phosphorus cycle.

18.

Too much phosphorus in waterways (rivers, lakes) can lead to___________.

a)

eutrophication

b)

Nothing

c)

Death

d)

diseases

19.
This is released by the weathering of rocks.
a)
Carbon
b)
Oxygen
c)
Phosphorus
d)
Nitrogen
20.

The burning of fossil fuels is known as...

a)

Decomposition

b)

Photosynthesis

c)

Combustion

d)

Respiration

21.

The burning of fossil fuels is known as...

a)

Decomposition

b)

Photosynthesis

c)

Combustion

d)

Respiration

22.

___________ is the process by which dead matter is broken down into simpler substances by detritivores.

a)

Respiration

b)

Decomposition

c)

Combustion

d)

Photosynthesis

23.

Animals inhale oxygen and exhale....

a)

CH4CH_4  

b)

CO2CO_2  

c)

NH3NH_3  

d)

N2ON_2O  

24.

Legumes provide starches for nitrogen fixing bacteria and nitrogen fixing bacteria add nitrogen to the soil for legumes to use. This relationship is best described as...

a)

Commensalism

b)

Parasitism

c)

Predation

d)

Mutualism

25.

Eutrophication occurs when a body of water has too many nutrients leading to an increased population of....

a)

Fish

b)

Algae

c)

Legumes

d)

Bacteria

26.

Which type of organisms are responsible for turning nitrogen gas into a form useable by other organisms?

a)

Animals

b)

Plantae

c)

Fungi

d)

Bacteria

27.

Excess fertilizers might enter into an aquatic ecosystem through...

a)

Precipitation

b)

Evaporation

c)

Transpiration

d)

Runoff

28.

Can animals consume Nitrogen directly from the air?


a)

No

b)

Yes

29.

What is it called when water changes from liquid to gas

a)

freezeing

b)

evaporation

c)

condensation

30.

How is water returned to earth?

a)

evaporation

b)

transpiration

c)

precipitation

d)

percolation

31.

When warm, evaporated air rises, it cools and begins to turn into liquid again. This part of the water cycle is called:

a)

a: transpiration

b)

b: precipitation

c)

c: runoff

d)

d: condensation

32.
This is released by the weathering of rocks.
a)
Carbon
b)
Oxygen
c)
Phosphorus
d)
Nitrogen
33.
Which nutrient is not cycled through the atmosphere and stays only on ground level?
a)
carbon
b)
nitrogen
c)
phosphorus
d)
water
34.

A correct path that nitrogen could take would be

a)

air -> animals -> plants -> bacteria

b)

animals -> air -> bacteria -> plants

c)

bacteria -> air -> plants -> animals

d)

air -> bacteria -> plants -> animals

35.

Most of the phosphorus in the biosphere is stored in ____

a)

rocks

b)

atmosphere

c)

clouds

d)

ocean

36.

How would phosphorus cycle from grass to a deer?

a)

decay

b)

grazing

c)

sediment

d)

erosion

37.

Which one of these is not considered a biological process?

a)

Nitrogen Fixation by bacteria

b)

Consumption by animals

c)

Elimination of Waste by animals

d)

Erosion

38.

How does a non-human living organism affect the water cycle? (short answer/fill in the blank)

a)

Trees allow transpiration

b)

Animals drink it

c)

All of the above

d)

Hills can cause runoff

39.

How do non-human living things affect the carbon cycle (fill in the blank/short answer)

a)

animals do cellular respiration

b)

plants do photosynthesis

c)

Fires release carbon into the atmosphere

d)

All of the above

40.

How do non-human living things participate in the nitrogen cycle? (fill in the blank/short answer)

a)

Bacteria decompose organic matter (decomposition)

b)

animals move nitrogen during consumption

c)

Bacteria convert waste into ammonia (ammonification)

d)

All of the above

Similar Resources on Wayground

Fingerprints Review

38 questions

Fingerprints Review

quiz

Worksheet

•

9th - 12th Grade

Fishes Review

42 questions

Fishes Review

quiz

Worksheet

•

9th - 12th Grade

Death & the Human Body: Forensics Review

36 questions

Death & the Human Body: Forensics Review

quiz

Worksheet

•

9th - 12th Grade

Envi Sci PowerSchool review

45 questions

Envi Sci PowerSchool review

quiz

Worksheet

•

9th - 12th Grade

1W Space Review 2023

39 questions

1W Space Review 2023

quiz

Worksheet

•

9th Grade

Waves and Electricity Test 12/20

45 questions

Waves and Electricity Test 12/20

quiz

Worksheet

•

9th - 10th Grade

Introduction to Environmental Science

38 questions

Introduction to Environmental Science

quiz

Worksheet

•

9th - 11th Grade

Waves Exam Review

35 questions

Waves Exam Review

quiz

Worksheet

•

10th - 12th Grade