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WorksheetsQuizziz Chapter 21 and Biogeochemical Cycles
Total questions: 53
Worksheet time: 26mins
Name
Class
Date
1.
How does carbon leave the atmosphere?
a)
Through transpiration
b)
Through photosynthesis
c)
Through factory emission
d)
Sunlight
2.
What is the abbreviation for Carbon Dioxide?
a)
(CO2)
b)
(N2)
c)
(O2)
3.
Which process takes Carbon Dioxide from the air and converts it into a form of carbon used by living things?
a)
Precipitation
b)
Photosynthesis
c)
Respiration
d)
Bioremdiation
4.
What is one way that carbon enters the atmosphere?
a)
wasting energy
b)
burning fossil fuels
c)
raising more and more catlle
d)
all of these
5.
Which process converts glucose and oxygen back into carbon dioxide and water?
a)
Bioremediation
b)
Photosynthesis
c)
Respiration
d)
Transpiration
6.
What is evaporation?
a)
a liquid changing to a gas
b)
animals breathing out condensation
c)
water vapor
d)
precipitation
7.
What do the arrows represent in a food chain?
a)
Who is being eaten
b)
The flow of energy
c)
What things change into
d)
The decomposition of organisms
8.
When a liquid becomes a gas this process has occurred.
a)
transportation
b)
condensation
c)
precipitation
d)
evaporation
9.
When a gas becomes a liquid this process has occurred.
a)
precipitation
b)
evaporation
c)
advection
d)
condensation
10.
When water leaves a plant through small openings called stomata, this process has occurred.
a)
Precipitation
b)
Condensation
c)
Transpiration
d)
Perspiration
11.
Rain, snow, sleet, and hail are all examples of: _______.
a)
Transpiration
b)
Condensation
c)
Evaporation
d)
Precipitation
12.
The energy that drives the water cycle comes from _________.
a)
Solar Radiation (the Sun)
b)
Geothermal Heat
c)
Water Energy
d)
Advection
13.
All living things are made of carbon.
a)
true
b)
False
14.
Which substance must be chemically transformed before it can be used by plants?
a)
carbon dioxide gas
b)
water
water vapor
water vapor
c)
nitrogen
nitrogen gas
nitrogen gas
d)
groundwater
15.
What is it called when liquid water becomes water vapor?
a)
Condensation
b)
Evasporation
c)
Evaporation
d)
Transportation
16.
Converting atmospheric nitrogen into a usable form by bacteria or lightning is known as _______.
a)
nitrogen fixation
b)
denitrification
c)
ammonification
d)
assimilation
17.
When an organism dies, nitrogen often returns to the atmosphere as N2. This is called denitrification.
a)
true
b)
false
18.
The formula for nitrite is _________.
a)
NO
b)
NO2-
c)
NO3-
d)
NH4+
19.
The formula for carbon dioxide is _______.
a)
CO
b)
CO2
c)
CH4
d)
NH3
20.
The formula for methane is _______.
a)
CO2
b)
CO
c)
NH3
d)
CH4
21.
The formula for nitrate is _______.
a)
NO3-
b)
NH3
c)
NH4+
d)
NO2-
22.
The formula for ammonium is _______.
a)
NH4+
b)
NO3-
c)
NO2-
d)
CH3+
23.
Most of the nitrogen in our world is in an unusable form.
a)
true
b)
false
24.
The main difference between the water cycle and all the other biogeochemical cycles is that water_______.
a)
creates completely new substances
b)
is made from matter that has been here since the world was formed
c)
never changes its structural form
d)
is much slower than the other cycles
25.
If you are studying abiotic and biotic factors, you may be a ___________.
a)
paleontologist
b)
ecologist
c)
geneticist
d)
plumber
26.
Biotic means __________.
a)
living
b)
dead
c)
funny
d)
pretty
27.
A rock is always ________.
a)
soft
b)
big
c)
abiotic
d)
in the water
28.
To show the flow of energy in an ecosystem, make a ________.
a)
food chain
b)
grocery list
c)
lunch order
d)
all of these
29.
Ecologist often use population densities to monitor growth of certain species.
a)
True
b)
False
30.
The largest ecosystem is the ________.
a)
biosphere
b)
hydrosphere
c)
atmosphere
d)
geosphere
31.
You are 2/3 ________.
a)
sugar
b)
water
c)
pizza
d)
french fries
32.
If you live near each other then you most likely share a _____________.
a)
all of these
b)
niche
c)
house
d)
symbiotic relationship
33.
If you hunt, you are a ________.
a)
predator
b)
prey
c)
girl
d)
baby
34.
If you are being hunted, then you are _________.
a)
in trouble
b)
prey
c)
powerful
d)
fast
35.
In a parasitic relationship, one organism is always ____________.
a)
harmed
b)
moved
c)
killed
d)
all of these
36.
This substance is found naturally on earth as a gas, liquid and solid, is a very important limiting factor, and is cycled all around.
a)
water
b)
nitrogen
c)
oxygen
d)
carbon
37.
Herbivores eat ________.
a)
plants
b)
hamburgers
c)
chicken
d)
frog legs
38.
This cycle only involves physical changes.
a)
water
b)
carbon
c)
nitrogen
d)
all of these
39.
Evaporation from plants is called ___________.
a)
transpiration
b)
sweat
c)
stomatas
d)
all of these
40.
An omnivore might eat _____________.
a)
hamburgers (plant and animal)
b)
rock (abiotic factor)
c)
only peaches (plant)
d)
only chicken (animal)
41.
Can every organism make their own food?
a)
yes
b)
no
42.
If you want nitrogen, then you better start ________.
a)
breathing
b)
swimming
c)
running
d)
eating
43.
What are the products of photosynthesis?
a)
oxygen and glucose
b)
carbon dioxide and water
c)
energy and oxygen
d)
carbon dioxide and glucose
44.
A community is ________.
a)
one individual
b)
one population
c)
all the populations living together
d)
all the biotic and abiotic factors together
45.
A generalist eats a wide variety of food.
a)
true
b)
false
46.
A specialist eats a limited diet.
a)
true
b)
false
47.
Glucose plus oxygen are the reactants (ingredients) for ________.
a)
respiration
b)
photosynthesis
48.
Energy plus carbon dioxide plus water are the reactants (ingredients) for _________.
a)
photosynthesis
b)
respiration
49.
Is carbon dioxide a product of photosynthesis?
a)
yes
b)
no
50.
Which of the following limiting factors are density dependent?
a)
disease
b)
volcanic eruptions
c)
earthquakes
d)
floods
51.
Which of the following limiting factors are density independent?
a)
volcanic eruptions
b)
floods
c)
earthquakes
d)
all of these
52.
What is the chemical formula for glucose.
a)
G612H9
b)
C6H12O6
c)
O2
d)
CH4
53.
When ammonia (NH3) is formed during the nitrogen cycle, it is called _______.
a)
nitrogen fixation
b)
denitrification
c)
nitrification
d)
ammonification
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