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