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Life Science
Test Description: Choose the best answer.
Instructions: Answer all questions to get your test result.
1) Photosynthsis and respiration belong to which cycle?
A
Phosphorus cycle
B
Hydrologic cycle
C
Carbon cycle
D
Nitrogen cycle
2) The part of the Earth in which all living things exits is called the
A
Biosphere
B
Community
C
Bionight
D
Ecosystem
3) An organism that cannot make its own food is called
A
producer
B
autoroph
C
chemotroph
D
heterotroph
4) Organisms that are diurnal
A
hibernate every other year
B
live two seperate lives
C
are only active during the day
D
live in two different place throughout the year
5) All of the members of a particular species that live in one area are called a(an)
A
community
B
population
C
biome
D
ecosystem
6) An ecosystem contains
A
only the biotic components of the environment
B
only the energy flow components of an environment
C
only the abiotic components of the environment
D
both the living organisms and the abiotic components of the environment
7) The algae at the beginning of the food chain are
A
heterotrophs
B
consumers
C
decomposers
D
producers
8) Process by which atmospheric nitrogen gas is changed to forms that plants can use is
A
bioegeochemical fixation
B
carbon fixation
C
hydrologic fixation
D
nitrogen fixation
9) Carbon cycles through the biosphere in all of the following processes EXECPT
A
decomposition
B
respiration
C
photosynthesis
D
transpiration
10) The atmosphere contains _______________ which is neded for photosynethisis.
A
nitrogen
B
carbon dioxide
C
none of the above
D
oxygen
*select an answer for all questions
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