Review PreAP Biology Midterm
Authored by Rachel Butler
Science
9th Grade
Used 3+ times
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39 questions
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1.
LABELING QUESTION
1 min • 8 pts
Label the carbon cycle showing nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again.
Atmospheric carbon dioxide
Cellular respiration
Feeding
Fossilization (fossil fuels)
Decomposition
Dissolved carbon dioxide
Photosynthesis
Combustion
2.
MATCH QUESTION
1 min • 5 pts
Match the following key process in the carbon cycle with its explanation.
Fossilization
Under specific conditions, dead organisms can form fossil fuels over thousands & millions of years.
Combustion
Plant and algae take in carbon dioxide and convert it into sugars using sunlight and water.
Cellular respiration
Animals and plants use aerobic _________ ___________ (in the presence of oxygen) to release energy for biological processes. This also releases carbon dioxide.
Decomposition
Fungi and bacteria break down dead organisms & organic waste, releasing organic compounds and carbon dioxide.
Photosynthesis
The burning of fossil fuels releases carbon dioxide into the atmosphere.
3.
MULTIPLE SELECT QUESTION
45 sec • 3 pts
What ways does carbon enter the atmosphere?
[select THREE]
combustion
photosynthesis
cellular respiration
decomposition
fossilization
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What way is carbon is removed from the atmosphere?
combustion
photosynthesis
cellular respiration
decomposition
fossilization
5.
LABELING QUESTION
1 min • 7 pts
Label the diagram of the nitrogen cycle that shows the movement of nitrogen within and between the atmosphere, biosphere, hydrosphere and geosphere.
denitrification
Feeding
Nitrogen fixation
Nitrification
ammonification
Atmospheric nitrogen
Assimilation
6.
MATCH QUESTION
1 min • 5 pts
Match the following key process in the nitrogen cycle with its explanation.
Denitrification
In this process, decomposers turn nitrogen compounds from dead organisms and organic waste into ammonium.
Ammonification
The process of turning nitrates into nitrogen gas, and released back into the atmosphere. This is done by denitrifying bacteria.
Assimilation
This is the uptake of nitrates from the soil by the roots of plants.
Nitrification
Bacteria in the soil and root nodules of leguminous plants convert nitrogen gas into ammonium ions.
Nitrogen fixation
The process of turning ammonium ions into nitrites and nitrates. This is done by groups of nitrifying bacteria.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Most plants and animals cannot use the nitrogen in nitrogen gas because they cannot break that triple bond. In order for plants to make use of nitrogen, it must be transformed into molecules they can use. How is nitrogen fixed into a useable form?
Denitrifying bacteria turn nitrates into nitrogen gas and released back into the atmosphere.
Specialized nitrogen-fixing bacteria in the soil and root nodules of leguminous plants convert nitrogen gas into ammonium ions.
Uptake of nitrates from the soil by the roots of plants.
Nitrifying bacteria turn ammonium ions into nitrites and nitrates.
Decomposers turn nitrogen compounds from dead organisms and organic waste into ammonium.
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