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Biogeochemical Cycles Quiz

Total questions: 30

Worksheet time: 23mins

Name
Class
Date
1.

___________________ is the process by which water changes from a liquid to a gas or vapor. __________________ is the primary pathway that water moves from the liquid state back into the water cycle as atmospheric water

a)

Transpiration

b)

Deposition

c)

Percolation

d)

Evaporation

2.

_____________________ is water released from clouds in the form of rain, freezing rain, sleet, snow, or hail. It is the primary connection in the water cycle that provides for the delivery of atmospheric water to the Earth. Most ________________ falls as rain.

a)

Snowmelt runoff

b)

Precipitation

c)

Surface runoff

d)

Evaporation

3.

__________________ is the process by which water vapor in the air is changed into liquid water. ________________ is crucial to the water cycle because it is responsible for the formation of clouds.

a)

Transportation

b)

Percolation

c)

Condensation

d)

Plant Uptake

4.

__________________ is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. ______________ is essentially evaporation of water from plant leaves.

a)

Transpiration

b)

Percolation

c)

Infiltration

d)

Plant Uptake

5.

Water that flows across the land and enters rivers and streams. It eventually flows into lakes and the ocean.

a)

Snowmelt runoff

b)

Surface Runoff

c)

Deposition

d)

Precipitation

6.
What is C?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
7.
Which of these is an example of precipitation?
a)
snow
b)
air
c)
clouds
d)
vapor
8.

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

a)

bacteria

b)

rain

c)

fungi

d)

car exhaust

9.

Organisms that need nitrogen to survive.

a)

only plants

b)

only animals

c)

only bacteria

d)

all living things

10.

How do animals get the nitrogen they need?

a)

From the air they breathe

b)

From the water they drink

c)

From the food they eat

d)

From the sun

11.

What is the process of combining nitrogen gas with other elements to make nitrogen into usable compounds?

a)

nitrogen composition

b)

nitrogen fixation

c)

ammonia

d)

denitrification

12.

Plants and animals cannot use nitrogen directly from the air.

a)

True

b)

False

13.

A correct path that nitrogen could take would be _____

a)

air -> animals->plants->bacteria

b)

animals->air->bacteria->plants

c)

air -> bacteria ->plants -> animals

d)

bacteria ->air -> animals->plants

14.

What is the term for the process where an excess of nutrients in a body of water leads to a dense growth of plant life and death of animal life from lack of oxygen?

a)

Eutrophication

b)

Acid Rain

c)

Photosynthesis

d)

Respiration

15.
What does NOT produce carbon dioxide?
a)
Photosynthesis
b)
Burning Fossil Fuels
c)
Animal respiration
d)
Plants decaying
16.

How do animals get carbon?

a)

By eating plants and or other animals.

b)

They absorb it from the atmosphere.

c)

From the ground

d)

They do not get carbon from anywhere.

17.
What process occurs when coal (fossil fuel) is used for energy?
a)
Decomposition
b)
Combustion
c)
Pressurization 
d)
Respiration 
18.
In the carbon cycle, producers take in the gas __
a)
carbon dioxide
b)
oxygen
c)
nitrogen
d)
carbon monoxide
19.
How does the carbon in grass become part of a lion?
a)
The lion eats the grass
b)
Carbon from grass doesn't end up in a lion. 
c)
The carbon ends up in the lion's food chain. 
d)
The lion breathes in carbon given out by the plant
20.
If the plant population decreased, the amount of carbon would _________.
a)
Stay the same
b)
Increase
c)
Decrease
21.
How is the burning of fossil fuels related to global warming?
a)
Magic
b)
Fuels are hot
c)
Greenhouse effect
d)
Photosynthesis
22.

This is NOT a part of the phosphorus cycle.

a)

Phosphate is incorporated into sedimentary rocks

b)

Phosphate bound to soil

c)

Atmospheric phosphate

d)

Phosphate is absorbed from the soil by plants

23.

_____ brings phosphorous into our waterways. .

a)

Precipitation

b)

Runoff

c)

Transpiration

d)

Condensation

24.
Which of the following statements is true of the phosphorus cycle?
a)
Phosphorus enters the atmosphere as phosphates.
b)
The phosphorus cycle utilizes the processes of erosion, and weathering.
c)
Phosphates are used in carbohydrate and glucose storage.
d)
The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants.
25.
What role do decomposers play in the phosphorous cycle?
a)
absorb phosphorous 
b)
release phosphorous into atmosphere
c)
return phosphorous into the soil
d)
combustion
26.

This is released by the weathering of rocks.

a)

Carbonate

b)

Phosphate

c)

Phosphorus

d)

Nitrogen

27.

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

a)

eutrophication

b)

nothing

c)

decreased pH levels

d)

diseases

28.

What is the phosphorus' symbol on the periodic table?

a)

P

b)

pH

c)

Ph

d)

PO

29.

The major sink for phosphorus is

a)

sedimentary rock

b)

atmospheric gases

c)

seawater

d)

plants

30.

What things add phosphorus to the soil? Check all that apply.

a)

Decomposition

b)

Erosion

c)

Excretion

d)

Lightning

e)

Respiration