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Midterm Review 1
Test Description: Biology questions
Instructions: Answer all questions to get your test result.
1) The doubling of ground-level ozone since 1850 is most likely due to
A
the extinction of certain animal species
B
a greater use of nuclear fuel
C
emissions from vehicles and industrial processes
D
the chemical composition of the upper atmosphere
2) Which consequence could most likely be associated with a decrease in biodiversity in an area?
A
More species would be better able to survive a major environmental change.
B
The amount of genetic information in the species of the area would increase.
C
The ecosystems in the area would become more stable
D
Some sources of future foods or medications would be lost.
3) Because of an attractive tax rebate, a homeowner decides to replace an oil furnace heating system with expensive solar panels. The trade-offs involved in making this decision
A
more air pollution, increased use of solar energy, and greater production of oil
B
increased use of fuel, more stable ecosystems, and less availability of solar radiation
C
low cost of solar panels, increased fuel costs, and higher taxes
D
high cost of solar panels, reduced fuel costs, and lower taxes
4) If an ecosystem is not altered, which stage would be the most stable?
A
pine forest
B
grass
C
hardwood forest
D
shrub
5) The carrying capacity for herbivores in a habitat is most directly affected by the availability of
A
photosynthetic organisms
B
decomposers in the soil
C
carbon dioxide in the atmosphere
D
heat energy released by carnivores
6) Competition between two species occurs when
A
a crow feeds on the remains of a rabbit killed on the road
B
a lion stalks, kills, and eats an antelope
C
chipmunks and squirrels eat sunflower seeds in a garden
D
mold grows on a tree that has fallen in the forest
7) Organisms that are able to manufacture organic nutrients from substances in the abiotic environment are classified as
A
heterotrophs
B
fungi
C
autotrophs
D
predators
8) Which statement best describes a hypothesis?
A
The facts collected from an experiment are written in the form of a hypothesis.
B
The conclusion drawn from the results of an experiment is part of a hypothesis.
C
A hypothesis serves as a basis for what data to collect.
D
A hypothesis is the process of making careful observations.
9) Which structures are listed in order from the least complex to the most complex?
A
plant cell, leaf, chloroplast, rose bush
B
chloroplast, leaf, plant cell, rose bush
C
chloroplast, plant cell, leaf, rose bush
D
rose bush, leaf, plant cell, chloroplast
10) The ability of an enzyme molecule to interact with specific molecules is most directly determined by the
A
shapes of the molecules involved
B
amount of glucose present in the cell
C
number of molecules involved
D
sequence of bases present in ATP
*select an answer for all questions
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