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Biogeochemical Cycles
Test Description: Review the Carbon, Nitrogen and Water Cycles.
Instructions: Answer all questions to get your test result.
1) This process removes carbon dioxide from the atmosphere.
A
decomposition
B
cellular respiration
C
nitrogen fixation
D
photosynthesis
2) Where does water come from before going into a plant?
A
hydrosphere
B
atmosphere
C
biosphere
D
lithosphere
3) What reactants are used in the process of cellular respiration?
A
carbon dioxide and oxygen
B
sugar and water
C
carbon dioxide and water
D
sugar and oxygen
4) Where is water located before condensing into a cloud?
A
biosphere
B
atmosphere
C
lithosphere
D
hydrosphere
5) What are the products of cellular respiration?
A
water and sugar
B
carbon dioxide and oxygen
C
sugar and oxgyen
D
carbon dioxide and water
6) What form of water exists in a cloud?
A
gas
B
liquid
C
non newtonian
D
solid
7) What are the reactants needed for photosynthesis?
A
carbon dioxide and water
B
carbon dioxide
C
sugar and oxgyen
D
water
8) Where do plants get carbon?
A
hydrosphere
B
biosphere
C
lithosphere
D
atmosphere
9) What are the products of photosynthesis?
A
sugar and oxgyen
B
sugar
C
carbon dioxide
D
carbon dioxide and water
10) Which of the following does NOT put carbon dioxide back into the atmosphere?
A
decomposition
B
photosynthesis
C
combustion
D
cellular respiration
11) What occurs during denitrification?
A
Plants and animals eat nitrogen.
B
Bacteria return nitrogen to gas form.
C
Plants use nitrogen gas.
D
Bacteria convert nitrogen to a usable form.
12) What happens to the amount of matter over time?
A
decreases
B
increases then decreases
C
stays the same
D
increases
13) Which process is bacteria NOT responsible for?
A
decomposition
B
cellular respiration
C
nitrogen fixation
D
denitrification
14) When water droplets form, which process has likely occured?
A
transpiration
B
run-off
C
evaporation
D
condensation
15) What forms during the process of evaporation?
A
snow
B
water
C
ice
D
water vapor
16) During which process do plants need oxygen?
A
nitrogen fixation
B
precipitation
C
cellular respiration
D
decomposition
17) Which process removes nitrogen from the atmosphere?
A
nitrogen fixation
B
photosynthesis
C
denitrification
D
cellular respiration
18) How do animals get the carbon and nitrogen they need?
A
eating
B
from decomposition
C
from the ground
D
breathing
19) This process occurs when bacteria convert ammonium in the soil into nitrates which plants can absorb.
A
nitrification
B
nitrogen fixation
C
decomposition
D
denitrification
*select an answer for all questions
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