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Worksheetsbiogeochemical cycle review
Total questions: 115
Worksheet time: 2hrs 34mins
Name
Class
Date
1.
What is the water cycle?
a)
the 3 forms of water
b)
the movement of water on, above, or below the surface of the Earth
c)
when water melts
d)
when clouds form
2.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
3.
Which of these is an example of precipitation?
a)
snow
b)
air
c)
clouds
d)
vapor
4.
Which is the opposite of condensation?
a)
runoff
b)
evaporation
c)
precipitation
d)
transpiration
5.
Which best explains why runoff is important?
a)
It returns water to other locations on Earth
b)
It increases the chance of flooding
c)
It makes evaporation occur faster
d)
It increases condensation
6.
Snow, sleet, hail, and rain are all examples of ________________.
a)
evaporation
b)
condensation
c)
accumulation
d)
precipitation
7.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
8.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
9.
The first step in the water cycle
a)
evaporation
b)
condensation
c)
precipitation
d)
there is no first step
10.
The ________ is the driving force of the earth's surface.
a)
sun
b)
moon
c)
stars
11.
The water cycle has no start or end
a)
true
b)
false
12.
Precipitation occurs because
a)
the droplets evaporate in the air
b)
the droplets are too light for the air to hold
c)
the droplets are too heavy for the air to hold
13.
The water cycle is also known as ..........
a)
Hypertonic Solution
b)
Hydrological Cycle
c)
Hyperlogical Cycle
d)
None of these
14.
What process involves pulling water downwards through layers of soil due to force of gravity?
a)
deposition
b)
percolation
c)
run off
d)
precipitation
15.
What process involves the overflow of excess rain water or melt water into surface waters and onto the land?
a)
freezing
b)
transpiration
c)
evaporation
d)
run off
16.
What do we call water in its gas form?
a)
ice
b)
water vapor
c)
frozen
d)
liquid
17.
Where is mos of the Earth's freshwater found?
a)
Pacific Ocean
b)
Ice Caps and Glaciers
c)
Antartica
d)
United States
18.
The process that occurs when plants release water vapor.
a)
Breathing
b)
Evaporation
c)
Transpiration
d)
Condensation
19.
What percentage of the Earth's water is salt water?
a)
50%
b)
3%
c)
75%
d)
97%
20.
When humans burn fossil fuels, most of the carbon quickly enters the as carbon dioxide.
a)
Water
b)
Atmosphere
c)
Sun
d)
Air
21.
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
22.
Combustion is another word for _______________.
a)
a train
b)
a bus
c)
a dog
d)
burning
23.
What does not produce carbon dioxide?
a)
Photosynthesis
b)
Burning Fossil Fuels
c)
Animal respiration
d)
Plants decaying
24.
How do living organisms return carbon to the atmosphere in the carbon cycle?
a)
respiration and photosynthesis
b)
decomposition and respiration
25.
All of the carbon in existence is continually recycled in the carbon cycle
a)
True
b)
False
26.
Organisms that do not decompose can be buried and become what?
a)
water
b)
nutrients
c)
air
d)
fossil fuels
27.
When humans burn fossil fuels, most of the carbon quickly enters the as carbon dioxide.
a)
Water
b)
Atmosphere
c)
Sun
d)
Air
28.
In the carbon cycle, producers take in the gas __
a)
carbon dioxide
b)
oxygen
c)
nitrogen
d)
carbon monoxide
29.
If the plant population decreased, the amount of carbon would _________.
a)
Stay the same
b)
Increase
c)
Decrease
30.
How do living organisms return carbon to the atmosphere in the carbon cycle?
a)
respiration and photosynthesis
b)
decomposition and respiration
31.
Photosynthesis...
a)
absorbs CO2 (Carbon)
b)
releases CO2 (Carbon)
c)
absorbs Nitrogen
d)
release Nitrogen
32.
In the oceans; algae, plants, and other organisms use carbon from the atmosphere for ________________.
a)
respiration
b)
decomposition
c)
transpiration
d)
photosynthesis
33.
Which describes the relationship between plants and animals in the carbon cycle?
a)
Plants use CO2 to produce glucose, which animals need for energy and as a source of carbon
b)
Plants produce and release carbon dioxide that animals need
c)
Animals produce and release oxygen that plants need
d)
Animals produce oxygen that plants turn into carbon dioxide
34.
Plants use ____________ to make their own food (glucose)
a)
Water
b)
Sunlight
c)
Carbon dioxide
d)
All of these
35.
Respiration...
a)
absorbs CO2 (Carbon)
b)
releases CO2 (Carbon)
c)
absorbs Nitrogen
d)
release Nitrogen
36.
What is the source of energy for photosynthesis?
a)
carbohydrates-chemical
b)
sunlight-radiant
c)
heat-thermal
d)
television-electrical
37.
What are the reactants (what's needed) for photosynthesis?
a)
glucose and oxygen
b)
light, water, and carbon dioxide
38.
What gas is released by plants during photosynthesis?
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
39.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
40.
What are the products (what's made) during photosynthesis?
a)
glucose and oxygen
b)
water, light, and carbon dioxide
41.
What type of organism uses photosynthesis?
a)
plants
b)
bacteria
c)
animals
d)
both plants and bacteria
42.
In which organelle (part of the cell) does photosynthesis take place?
a)
mitochondria
b)
chloroplast
c)
nucleus
d)
cell membrane
43.
What is the gas we breath out that plants use for photosynthesis?
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
44.
How can photosynthesis be related to cellular respiration?
a)
What's produced (made) by one is needed (the reactants) for the other
b)
They both produce the same products
c)
They both have the same reactants (need the same things)
d)
These 2 processes have nothing in common
45.
This is referred to as the energy currency of the cell
a)
ADP
b)
ATP
c)
Mitochondria
d)
Nucleus
46.
This process releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
a)
photosynthesis
b)
light-independent reaction
c)
cellular respiration
d)
light-dependent reaction
47.
Cellular respiration takes place in the
a)
nucleus
b)
cytoplasm
c)
ribosomes
d)
mitochondria
48.
All living things do which of the following?
a)
Chemosynthesis
b)
Respiration
c)
photosynthesis
d)
all of the answers
49.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
50.
In which way are photosynthesis and cellular respiration different?
a)
Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
51.
Which of the following structure is where cellular respiration occurs in the cell?
a)
nucleus
b)
cytoplasm
c)
mitochondria
d)
vacuoles
52.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
53.
The reactants of photosynthesis are
a)
sugar and water.
b)
sugar and oxygen.
c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
54.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
6CO2 + 6H2O --> 6O2 + C6H12O6
b)
6CO2 + C6H12O6 + 6H2O --> O2
c)
6O2 + 6H2O --> 6CO2 + C6H12O6
d)
C6H12O6 + 6O2 ---> 6H2O + 6CO2
55.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
56.
In which organelle does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
57.
Animal cells do not have chloroplasts.
a)
TRUE
b)
FALSE
58.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
59.
Why is photosynthesis an important process for life?
a)
it creates oxygen for animals to breathe
b)
it becomes a food source for other organisms
c)
it creates glucose for plants to use as energy
d)
all of these are correct
60.
How much of the atmosphere is composed of nitrogen gas?
a)
87%
b)
38%
c)
78%
d)
21%
61.
How do plants get the nitrogen they need?
a)
from the air
b)
from the soil or water in which they live
c)
from the Sun
d)
from broken-down rocks
62.
Nitrogen fixing bacteria, lives in nodules on the root of a plant called
a)
Broccoli
b)
Legumes
c)
Beats
d)
Carrots
63.
The swelling on the roots of a soybean are called
a)
Noodles
b)
Nitrogen
c)
Nodules
d)
Legumes
64.
Which of the following describes the role of nitrogen-fixing bacteria in the nitrogen cycle? Nitrogen-fixing bacteria convert
a)
nitrates intro nitrogen gas
b)
ammonia into proteins
c)
nitrogen gas into ammonia
d)
proteins into nitrates
65.
Animals obtain the nitrogen they need directly from the
a)
soil in their habitat
b)
air they breathe
c)
plants they eat
d)
bacteria living within them
66.
Growing legumes such as alfalfa or soy beans increases
a)
denitrification
b)
nitrogen fixation
c)
ammonification
d)
ammonium oxidation
67.
A particular golf course is using large amounts of nitrogen fertilizer. What process could move this nitrogen into a local stream?
a)
volatilization
b)
nitrogen fixation
c)
runoff
d)
ammonification
68.
Plants and animals cannot use nitrogen directly from the air.
a)
True
b)
False
69.
What converts nitrogen into a useable form for plants and animals?
a)
bacteria
b)
fungi
c)
rain
70.
After plants and animals contain nitrogen, what puts it back into atmosphere and soil?
a)
decomposition
b)
precipitation
c)
condensation
d)
bacteria
71.
Which of the following processes converts C6H12O6 to an inorganic molecule CO2
a)
translation
b)
photosynthesis
c)
cellular respiration
d)
excretion
72.
Animals obtain the nitrogen they need directly from the
a)
soil in their habitat
b)
air they breathe
c)
plants they eat
d)
bacteria living within them
73.
What forms of nitrogen and carbon can be used by plants?
a)
ammonia and carbon monoxide
b)
ammonia, nitrates, and carbon dioxide
c)
nitrites and carbohydrates
d)
nitrate and carbon monoxide
74.
Which process moves carbon stored in fossil fuel into another carbon reservoir?
a)
When fossil fuels are burned, carbon enters the atmosphere as carbon dioxide.
b)
The denitrifying bacteria turns the fossil fuel into carbon dioxide gas.
c)
Decomposers convert the fossil fuels into greenhouse gases like carbon dioxide.
d)
The fossil fuels react with the soil to produce carbonates and carbon dioxide.
75.
Nitrogen fixation processes nitrogen from which of the following sources?
a)
lightning
b)
fertilizers
c)
dead plants
d)
atmosphere
76.
How 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
77.
Nitrogen rich fertilizers and manure can cause water pollution.
a)
True
b)
False
78.
How nitrogen is "fixed" into useable form for plants
a)
only through action of bacteria
b)
only through lightning
c)
through action of bacteria & lightning
d)
through photosynthesis
79.
Organism that breaks down dead plants & animals and releases nitrogen back into atmosphere
a)
bacteria
b)
plants
c)
animals
d)
producers
80.
How plants get the nitrogen they need
a)
from the air
b)
from the soil or water in which they live
c)
from the Sun
d)
from broken down rocks
81.
Plants and animals need nitrogen to make __________.
a)
Protein
b)
Carbohydrates
c)
Lipids
d)
Minerals
82.
Organisms that convert fixed nitrogen back into nitrogen gas and release nitrogen gas back into atmosphere...
a)
denitrifying bacteria
b)
fungi
c)
maggots
d)
all of the above
83.
Because nitrogen is required for growth, it is considered an essential...
a)
nitrate
b)
nutrient
c)
organism
d)
cell
84.
The majority of the atmosphere is nitrogen, or N2 gas. The atmosphere acts as a:
a)
Bank
b)
Reservoir
c)
Deposit
d)
Fast
85.
Nitrogen (and also phosphorous) are ____ ____ to autotrophic life!
a)
essential ingredients
b)
growth hormones
c)
abiotic limiting factors
d)
limiting nutrients
86.
Phytoplankton productivity is a measure of how much ____ is performed.
a)
photosynthesis
b)
magic
c)
respiration
d)
vertical migration
87.
What is it called when plants give off water vapor?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
88.
What is water vapor doing when it changes to water?
a)
evaporating
b)
condensing
c)
precipitating
d)
runoff
89.
What is water doing when it is changed to water vapor?
a)
evaporating
b)
condensing
c)
precipitating
d)
runoff
90.
What are all living things made of?
a)
Soil
b)
Oxygen
c)
Carbon
d)
water
91.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
92.
When humans burn fossil fuels, most of the carbon quickly enters the atmosphere as carbon dioxide in a process called
a)
transpiration
b)
combustion
c)
decomposition
d)
photosynthesis
93.
If the atmosphere is 78% N2, why can't we just get our nitrogen by breathing?
a)
We have no mechanism to break the triple bond of nitrogen between the atoms.
b)
Our lungs would be damaged by the N2.
c)
We need Oxygen for cellular respiration.
d)
The legumes take it up first.
94.
Wastes such as dead leaves, scat (poop) and dead organisms that contain nitrogen are broken down by decomposers into
a)
NH4+
b)
N2
c)
NO3
d)
NO2
95.
When humans burn fossil fuels, most of the carbon quickly enters the as carbon dioxide.
a)
Water
b)
Atmosphere
c)
Sun
d)
Air
96.
In what process is Carbon transformed into chemical energy?
a)
Photosynthesis
b)
Respiration
c)
Primary Production
d)
Secondary Production
97.
What is happening at 1?
a)
respiration: releasing CO2
b)
decomposing CO2 in the soil
c)
photosynthesis: absorbing CO2
d)
turning CO2 from the atmosphere into organic molecules
98.
When nitrogen gas is turned in to a form that plants and animals can use is called
a)
Combustion
b)
Photosynthesis
c)
Decomposition
d)
Nitrogen Fixation
99.
Building proteins and DNA is the reason organisms need what substance?
a)
Water
b)
Carbon
c)
Nitrogen
d)
Calcium
100.
Identify the cycle pictured.
a)
The Water cycle
b)
The Carbon cycle
c)
The Nitrogen cycle
d)
The Phosphorus cycle
101.
Identify the cycle pictured.
a)
The Water cycle
b)
The Carbon cycle
c)
The Nitrogen cycle
d)
The Phosphorus cycle
102.
Identify the cycle pictured.
a)
The Water cycle
b)
The Carbon cycle
c)
The Nitrogen cycle
d)
The Phosphorus cycle.
103.
Which nutrient is not cycled through the atmosphere?
a)
carbon
b)
nitrogen
c)
phosphorous
d)
water
104.
This is released by the weathering of rocks.
a)
Carbon
b)
Oxygen
c)
Phosphorus
d)
Nitrogen
105.
This process is responsible for most environmental problems of excess nitrogen and phosphorus entering streams, lakes and oceans.
a)
decomposition
b)
emissions from automobiles
c)
agriculture and house hold runoff
d)
photosynthesis
106.
Which of the following is known as the "sedimentary" cycle because its reservoir is sedimentary rock?
a)
Sulfur cycle
b)
Nitrogen cycle
c)
Phosphorus cycle
d)
Carbon cycle
107.
Phosphorous is needed in organisms for the production of
a)
ADP and ATP.
b)
Cellular membranes.
c)
Deoxyribonucleic and ribonucleic acids.
d)
All of the answers are correct
108.
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.
109.
How have humans contributed to the amount of carbon dioxide in the air?
a)
driving cars
b)
burning coal
c)
factories
d)
all of these
110.
Nitrogen in the atmosphere is not available. Free nitrogen has to be changed into a usable form in a process called __
a)
nitrogen fixation
b)
transpiration
c)
precipitation
d)
respiration
111.
Which nutrient is not cycled through the atmosphere?
a)
carbon
b)
nitrogen
c)
phosphorous
d)
water
112.
Cellular respiration is the process by which ____________ is consumed and _______________ is produced.
a)
Carbon, Oxygen
b)
Oxygen, Carbon dioxide
c)
H20, oxygen
d)
Carbon, H2O
113.
Which nutrient is not cycled through the atmosphere?
a)
carbon
b)
nitrogen
c)
phosphorous
d)
water
114.
Cycle that includes sea shell creatures and plankton as a major oceanic component
a)
water
b)
carbon
c)
nitrogen
d)
sulfur
115.
Cycle that involves volcanism
a)
water
b)
carbon
c)
sulfur
d)
nitrogen
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