Download SOL TEST BANK FOR 7

Cycles test bank:
Most of the water in the air comes from —
A. precipitation
B condensation
C evaporation
D transpiration
The step in the water cycle in which water vapor becomes liquid water is
A. condensation.
B. nitrogen fixation.
C. recycling.
D. precipitation.
In which process do molecules of liquid water absorb energy and change into the gas state?
A. condensation
B. precipitation
C. evaporation
D. recycling
Which of these is NOT an example of precipitation?
A. rain
B. Snow
C. Groundwater
D. Hail
In which process do producers use carbon from carbon dioxide to produce other carboncontaining molecules?
A. the nitrogen cycle
B. Photosynthesis
C. Precipitation
D. the water cycle
What do producers release as a result of photosynthesis?
A Hydrogen
B. Nitrogen
C Oxygen
D. carbon dioxide
Respiration and photosynthesis keep the levels of carbon dioxide and oxygen in the
atmosphere
A. fairly constant.
B. constantly changing.
C. constantly increasing.
D. constantly decreasing.
Some bacteria that fix nitrogen live in bumps on the roots of certain plants. These bumps
are called
A. nodules.
B. Starches.
C. Legumes.
D. Droplets.
What is the most common way that nitrogen fixation occurs?
(a) Lightning
(b) nitrogen fixing bacteria
(c) fossil fuel combustion
(d) forest fires
Atmospheric nitrogen (N2 gas) is easily taken up and used by plants and animals.
(a) true
(b) false
Organic nitrogen is coverted back to inorganic nitrogen like ammonium through the process of
(a) Nitrogen fixation
(b) nitrofication.
(c) decay.
(d) none of the choices.
Eutrophication in coastal waters can cause an increase in
(a) Respiratory diseases in fish
(b) agricultural productivity.
(c) harmful algal blooms.
(d) denitrification.
Which process releases dinitrogen gas (N2) back into the atmosphere?
(a) denitrification
(b) nitrogen fixation
(c) decay
(d) nitrification
Once bacteria have fixed nitrogen, it can be taken up by plants and animals, where it is used in
the production of
(a) Nitrogen oxides
(b) carbohydrates.
(c) proteins.
(d) energy.
Legumes host nitrogen fixing bacteria, and thus are good crops to plant to replenish the soil.
(a) true
(b) false
Which of the following gases plays a large role in the greenhouse effect and possible global
warming? [Hint]
a. carbon
b. carbon dioxide
c. nitrogen
d. oxygen
The primary biological process that removes carbon from the atmosphere and places it in the
biosphere is _______. [Hint]
a. respiration
b. photosynthesis
c. burning fossil fuel
d. organic decay
Fossil fuels are derived from: [Hint]
car exhaust
photosynthesis
the burial of plants for millions of years
respiration
How can carbon be transferred between reservoirs? [Hint]
a. land clearing
b. burning fossil fuels
c. respiration
d. all of the above
Oxygen is contributed to the atmosphere by
a. green plants.
b. the weathering of rocks.
c. water from plant transpiration.
d. fossil-fuel combustion.
e. all the above.
Where does the energy that powers the water cycle come from?
A: plants
B: animals
C: electrical outlets
D: the sun
What is evaporation?
A: Water freezes.
B: Water vapor meets cold air and changes back into liquid.
C: Water gets warm and changes from liquid water to water vapor.
D: Plants take in water from the soil.
What is the correct term for moisture that falls to the ground from clouds?
A: condensation
B: precipitation
C: hibernation
D: evaporation
From where does most water evaporate?
A: puddles
B: rivers
C: lakes
D: oceans
What is the correct term for rising water vapor meeting colder air and turning back into water
droplets?
A: condensation
B: dehydration
C: precipitation
D: evaporation
What is the only thing in nature that can be a solid, a liquid, or a gas?
A: helium
B: water
C: oxygen
D: hydrogen
What are the three stages of the water cycle?
A: evaporation, condensation, precipitation
B: condensation, precipitation, hibernation
C: precipitation, dehydration, evaporation
D: transpiration, dehydration, condensation
Where is water vapor found?
A: in the air around you
B: in your breath
C: in steam from a kettle
D: all of the above
Which number represents the organisms responsible for converting nitrogen gas into a
usable form of nitrogen?
On what part of a plant do the organisms represented by number 8 live?
Which number represents the form of nitrogen that can be used by plants?
Describe three roles bacteria play in the nitrogen cycle.
Explain the role of an animal such as the horse in the nitrogen cycle.
Which number represents a group of organisms that break down the wastes and remains of
other organisms?