AP BIO PRACTICE EXAM 1
QUESTIONS AND CORRECT
ANSWERS
Which of the following best describes the
rr rr rr rr rr rr
process by which gas from the atmosphere is
rr rr rr rr rr rr rr
obtained by plants and used to build lipids? - ans-
rr rr rr rr rr rr rr rr rr
Gas is directly obtained by plants as part of
rr rr rr rr rr rr rr rr
the carbon cycle
rr rr
Which of the following best explains how the
rr rr rr rr rr rr rr
phospholipid bilayer of a transport vesicle rr rr rr rr rr
contributes to cellular functions? - ans-The phospholipid bilayer allows the vesicle
rr rr rr rr rr rr rr rr rr rr
to fuse with the Golgi apparatus and the
rr rr rr rr rr rr rr
plasma membrane, allowing the rr rr rr
exocytosis of proteins rr rr
The diploid number of chromosomes in the cell
rr rr rr rr rr rr rr
of a domesticated dog is 78. Which of the
rr rr rr rr rr rr rr rr
following options includes the correct number of
rr rr rr rr rr rr
chromosomes in a cell after each cellular process rr rr rr rr rr rr rr
(G2 checkpoint, meiosis, and fertilization,
rr rr rr rr
respectively)? - ans-After G2 checkpoint: 78, After Meiosis: 39, After Fertilization: 78
rr rr rr rr rr rr rr rr rr rr rr
Based on the data in the table, which of the following best explains the effects of rotenone
rr rr rr rr rr rr rr rr rr rr rr rr rr rr rr rr r
on cellular
r rr
respiration? - ans- rr rr
Treated cells are not able to break down NADH because certain enzymes of the electron t
rr rr rr rr rr rr rr rr rr rr rr rr rr rr rr
ransport chain are inhibited rr rr rr
Which of the following best explains why
rr rr rr rr rr rr
triploid bananas do not produce seeds? - ans-The production of gametes is disrupted
rr rr rr rr rr rr rr rr rr rr rr rr
because of unequal pairing of rr rr rr rr
homologous chromosomes during rr rr
meiosis
Which of the following best explains why the
rr rr rr rr rr rr rr
polymerase from the species T. aquaticus is rr rr rr rr rr rr
often used for PCR ? - ans-T. aquaticus polymerase does not denature
rr rr rr rr rr rr rr rr rr rr rr
at high temperatures
rr rr
, A researcher is studying two different species.
rr rr rr rr rr rr
Which of the following sets of observations
rr rr rr rr rr rr
would best support the claim that the two
rr rr rr rr rr rr rr
species have structural similarities as a result of
rr rr rr rr rr rr rr
convergent evolution? - ans- rr rr rr
Genetic similarity: low, Function of structure: same, Form of structure: different
rr rr rr rr rr rr rr rr rr rr
Based on the cladogram, which of the following
rr rr rr rr rr rr rr
are the traits shared between ferns and pines? - ans-Embryo and xylem only
rr rr rr rr rr rr rr rr rr rr rr rr
The researchers performed a chi-
rr rr rr rr
square analysis to test their hypothesis. Assuming the researchers use a
rr rr rr rr rr rr rr rr rr rr
significance level of 0.05, which of the following is closest to the critical value the research
rr rr rr rr rr rr rr rr rr rr rr rr rr rr rr
ers should use in
rr rr rr
the chi-square analysis? - ans-5.99
rr rr rr rr
Which of the following best describes what
rr rr rr rr rr rr
happened to the otter population between 1750 rr rr rr rr rr rr
and 1850 ? - ans-The population lost genetic diversity as a
rr rr rr rr rr rr rr rr rr rr
result of a bottleneck effect
rr rr rr rr
Based on the information provided in the
rr rr rr rr rr rr
passage, which of the following best describes rr rr rr rr rr rr
the effect of harmful algal blooms on otter
rr rr rr rr rr rr rr
populations? - ans-They are a density-independent factor that rr rr rr rr rr rr rr
negatively affects the otter population rr rr rr rr
regardless of its size rr rr rr
As otters were removed during the hunting
rr rr rr rr rr rr
years, there was a large decrease in the catches
rr rr rr rr rr rr rr rr
of fish species from the eelgrass habitats. Which
rr rr rr rr rr rr rr
of the following best explains why this decrease
rr rr rr rr rr rr rr
happened? - ans-Otters are a keystone species, so their rr rr rr rr rr rr rr rr
disappearance from the area resulted in rr rr rr rr rr
the collapse of an entire community
rr rr rr rr rr
Climate change could affect the ecosystem of
rr rr rr rr rr rr
the Elkhorn Slough in many ways. From the
rr rr rr rr rr rr rr
information provided, which of the following rr rr rr rr rr
predictions about the direct, local effects of rr rr rr rr rr rr
climate change is most likely? - ans-Ocean warming will favor population
rr rr rr rr rr rr rr rr rr rr
growth of nonnative species as their
rr rr rr rr rr
habitats shift northward rr rr
Based on the information, an increase in the sea
rr rr rr rr rr rr rr rr
QUESTIONS AND CORRECT
ANSWERS
Which of the following best describes the
rr rr rr rr rr rr
process by which gas from the atmosphere is
rr rr rr rr rr rr rr
obtained by plants and used to build lipids? - ans-
rr rr rr rr rr rr rr rr rr
Gas is directly obtained by plants as part of
rr rr rr rr rr rr rr rr
the carbon cycle
rr rr
Which of the following best explains how the
rr rr rr rr rr rr rr
phospholipid bilayer of a transport vesicle rr rr rr rr rr
contributes to cellular functions? - ans-The phospholipid bilayer allows the vesicle
rr rr rr rr rr rr rr rr rr rr
to fuse with the Golgi apparatus and the
rr rr rr rr rr rr rr
plasma membrane, allowing the rr rr rr
exocytosis of proteins rr rr
The diploid number of chromosomes in the cell
rr rr rr rr rr rr rr
of a domesticated dog is 78. Which of the
rr rr rr rr rr rr rr rr
following options includes the correct number of
rr rr rr rr rr rr
chromosomes in a cell after each cellular process rr rr rr rr rr rr rr
(G2 checkpoint, meiosis, and fertilization,
rr rr rr rr
respectively)? - ans-After G2 checkpoint: 78, After Meiosis: 39, After Fertilization: 78
rr rr rr rr rr rr rr rr rr rr rr
Based on the data in the table, which of the following best explains the effects of rotenone
rr rr rr rr rr rr rr rr rr rr rr rr rr rr rr rr r
on cellular
r rr
respiration? - ans- rr rr
Treated cells are not able to break down NADH because certain enzymes of the electron t
rr rr rr rr rr rr rr rr rr rr rr rr rr rr rr
ransport chain are inhibited rr rr rr
Which of the following best explains why
rr rr rr rr rr rr
triploid bananas do not produce seeds? - ans-The production of gametes is disrupted
rr rr rr rr rr rr rr rr rr rr rr rr
because of unequal pairing of rr rr rr rr
homologous chromosomes during rr rr
meiosis
Which of the following best explains why the
rr rr rr rr rr rr rr
polymerase from the species T. aquaticus is rr rr rr rr rr rr
often used for PCR ? - ans-T. aquaticus polymerase does not denature
rr rr rr rr rr rr rr rr rr rr rr
at high temperatures
rr rr
, A researcher is studying two different species.
rr rr rr rr rr rr
Which of the following sets of observations
rr rr rr rr rr rr
would best support the claim that the two
rr rr rr rr rr rr rr
species have structural similarities as a result of
rr rr rr rr rr rr rr
convergent evolution? - ans- rr rr rr
Genetic similarity: low, Function of structure: same, Form of structure: different
rr rr rr rr rr rr rr rr rr rr
Based on the cladogram, which of the following
rr rr rr rr rr rr rr
are the traits shared between ferns and pines? - ans-Embryo and xylem only
rr rr rr rr rr rr rr rr rr rr rr rr
The researchers performed a chi-
rr rr rr rr
square analysis to test their hypothesis. Assuming the researchers use a
rr rr rr rr rr rr rr rr rr rr
significance level of 0.05, which of the following is closest to the critical value the research
rr rr rr rr rr rr rr rr rr rr rr rr rr rr rr
ers should use in
rr rr rr
the chi-square analysis? - ans-5.99
rr rr rr rr
Which of the following best describes what
rr rr rr rr rr rr
happened to the otter population between 1750 rr rr rr rr rr rr
and 1850 ? - ans-The population lost genetic diversity as a
rr rr rr rr rr rr rr rr rr rr
result of a bottleneck effect
rr rr rr rr
Based on the information provided in the
rr rr rr rr rr rr
passage, which of the following best describes rr rr rr rr rr rr
the effect of harmful algal blooms on otter
rr rr rr rr rr rr rr
populations? - ans-They are a density-independent factor that rr rr rr rr rr rr rr
negatively affects the otter population rr rr rr rr
regardless of its size rr rr rr
As otters were removed during the hunting
rr rr rr rr rr rr
years, there was a large decrease in the catches
rr rr rr rr rr rr rr rr
of fish species from the eelgrass habitats. Which
rr rr rr rr rr rr rr
of the following best explains why this decrease
rr rr rr rr rr rr rr
happened? - ans-Otters are a keystone species, so their rr rr rr rr rr rr rr rr
disappearance from the area resulted in rr rr rr rr rr
the collapse of an entire community
rr rr rr rr rr
Climate change could affect the ecosystem of
rr rr rr rr rr rr
the Elkhorn Slough in many ways. From the
rr rr rr rr rr rr rr
information provided, which of the following rr rr rr rr rr
predictions about the direct, local effects of rr rr rr rr rr rr
climate change is most likely? - ans-Ocean warming will favor population
rr rr rr rr rr rr rr rr rr rr
growth of nonnative species as their
rr rr rr rr rr
habitats shift northward rr rr
Based on the information, an increase in the sea
rr rr rr rr rr rr rr rr
