
Biogeochemical Cycles Review
Authored by Breanna Campbell
Biology
9th Grade
Used 10+ times

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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Water molecules enter the atmosphere when they ________ from bodies of water.
precipitate
evaporate
condense
infiltrate
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
During _____, water enters the atmosphere by evaporating from the leaves of plants.
photosynthesis
evaporation
precipitation
transpiration
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Human activities such as ____________ cycle carbon through the carbon cycle.
consumption
photosynthesis
burning fossil fuels
decay
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Plants use ____ to build organic molecules during _____.
CO2; photosynthesis
O2; photosynthesis
CO2; respiration
O2; respiration
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
The conversion of atmospheric nitrogen into a form used by plants is a process called _____
ammonification
denitrification
nitrogen fixation
decay
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
The conversion of usable nitrogen from the soil into unusable nitrogen gas in the atmosphere is called _____
ammonification
denitrification
nitrogen fixation
decay
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Nitrogen fixing ______ live in the _____ or within _____ of plants.
bacteria; water; leaves
bacteria; air; stems
bacteria; soil; flowers
bacteria; soil; roots
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