Biology Praxis Exam Study Quiz
Study online at https://quizlet.com/_febrx9
1. A researcher hypothesizes that lectures do not con- The method by
vey information as well as written passages in a text- which the passage
book do. The researcher separates 48 college fresh- is presented to the
man volunteers into two groups of 24, with an equal test subjects
number of males and females in each group. One
group hears a passage repeated three times over a
twominute period. The second group reads the same
passage for two minutes. All test subjects are then
asked to write down as much as they remember of the
passage. Which of the following is the independent
variable in the experiment?
2. Human skin color, height, and weight depend on the continuous varia-
interaction of the products of multiple genes. These tion
and other polygenic traits typically exhibit
3. Which of the following properties of water is respon- The polarity of wa-
sible for the solubility of many molecules in aqueous ter molecules
fluids such as blood and urine?
4. Which of the following correctly matches a phylum Annelida . .
with the most common mode of excretion by organ- metanephridia
isms in the phylum?
5. Which of the following is the best example of habitat Building a high-
fragmentation? way though a for-
est
6. Which of the following best explains why the body Memory lympho-
makes a more rapid and stronger response to an cytes made in re-
infecting pathogen after vaccination against the sponse to the vac-
pathogen? cination are acti-
vated.
7. Which of the following enzyme types is most likely Restriction en-
responsible for the cleavage of the plasmid shown donuclease
above?
8. To study the inheritance of wing size in fruit flies, 1.The gene for
true-breeding female flies with large wings were wing size is
, Biology Praxis Exam Study Quiz
Study online at https://quizlet.com/_febrx9
crossed with male flies with miniature wings (Cross sex-linked.
1). The F1 progeny were then crossed. The reciprocal
parental cross (Cross 2) was also performed, and the 2. The allele for
F1 progeny were crossed. The crosses and the results miniature wings is
are summarized in the table above. Based on the recessive to the
data, which TWO of the following statements are most allele for large
likely correct? wings.
9. Scientists predict that a particular coastal village in Global climate
Alaska will be underwater by the year 2025. Which change is thinning
of the following is most likely contributing to the Arctic sea ice and
submergence of the village? raising sea levels
10. Which of the following plant structures most likely The pericarp of a
contains sclerenchyma cells? hazelnut
11. Which of the following best describes scientific evi- It can be used to
dence? support or reject a
hypothesis.
12. A scientist examining fossils of small rodents at a There was a
particular location found fossils of one species in a brief and rapid
deep stratum and found fossils of a similar but dis- time of evolution-
tinct more recent species in the stratum immediately ary change in the
above. Fossils of transitional organisms were not older species, so
found. Of the following, which is the best explanation few fossils of tran-
of the observed distribution of fossils in the strata? sitional organisms
exist.
13. The graph above shows the population sizes of two Species R and
species of rodents‚ R and S‚ in a particular area S occupy different
over time. At the point indicated by the arrow‚ 500 niches.
individuals of species S were released into the area.
Population sizes of the two species were monitored
over the next 20 years. Based on the data‚ which of
the following conclusions is most likely correct about
the two rodent species in the area?
14. C
, Biology Praxis Exam Study Quiz
Study online at https://quizlet.com/_febrx9
The molecules of electron transport chains are found
in which of the labeled locations of the organelle
represented above?
15. Which of the following best describes the difference Environmental
between natural selection and artificial selection? conditions drive
natural selection,
whereas humans
determine
artificial selection.
16. Transmissible spongiform encephalopathies (TSE) Prions have no
are a family of neurodegenerative disorders caused cellular machinery
by prions. Prions are infectious misfolded protein with which to carry
sequences that can enter cells and alter the folding of out metabolism.
normal cellular prion proteins. A student claims that
prions are living organisms because they are found
in cells, can reproduce, and respond to the environ-
ment. Which of the following statements about prions
best refutes the student's claim?
17. In which of the following ways can birds most directly Birds drop seeds
contribute to ecological succession in a particular in their feces from
area? plants they have
eaten in surround-
ing areas.
18. Which of the following is a reason why the use of ge- The GMOs may
netically modified organisms (GMOs) as food crops contain new sub-
is controversial? stances that may
not be safe for all
consumers.
19. Which of the following describes an experiment per- Sterile meat broth
formed by Louis Pasteur in which he disproved the in a flask with
notion that living organisms arise by spontaneous a straight neck
generation? quickly became
cloudy when ex-
posed to the air,
but sterile meat
Study online at https://quizlet.com/_febrx9
1. A researcher hypothesizes that lectures do not con- The method by
vey information as well as written passages in a text- which the passage
book do. The researcher separates 48 college fresh- is presented to the
man volunteers into two groups of 24, with an equal test subjects
number of males and females in each group. One
group hears a passage repeated three times over a
twominute period. The second group reads the same
passage for two minutes. All test subjects are then
asked to write down as much as they remember of the
passage. Which of the following is the independent
variable in the experiment?
2. Human skin color, height, and weight depend on the continuous varia-
interaction of the products of multiple genes. These tion
and other polygenic traits typically exhibit
3. Which of the following properties of water is respon- The polarity of wa-
sible for the solubility of many molecules in aqueous ter molecules
fluids such as blood and urine?
4. Which of the following correctly matches a phylum Annelida . .
with the most common mode of excretion by organ- metanephridia
isms in the phylum?
5. Which of the following is the best example of habitat Building a high-
fragmentation? way though a for-
est
6. Which of the following best explains why the body Memory lympho-
makes a more rapid and stronger response to an cytes made in re-
infecting pathogen after vaccination against the sponse to the vac-
pathogen? cination are acti-
vated.
7. Which of the following enzyme types is most likely Restriction en-
responsible for the cleavage of the plasmid shown donuclease
above?
8. To study the inheritance of wing size in fruit flies, 1.The gene for
true-breeding female flies with large wings were wing size is
, Biology Praxis Exam Study Quiz
Study online at https://quizlet.com/_febrx9
crossed with male flies with miniature wings (Cross sex-linked.
1). The F1 progeny were then crossed. The reciprocal
parental cross (Cross 2) was also performed, and the 2. The allele for
F1 progeny were crossed. The crosses and the results miniature wings is
are summarized in the table above. Based on the recessive to the
data, which TWO of the following statements are most allele for large
likely correct? wings.
9. Scientists predict that a particular coastal village in Global climate
Alaska will be underwater by the year 2025. Which change is thinning
of the following is most likely contributing to the Arctic sea ice and
submergence of the village? raising sea levels
10. Which of the following plant structures most likely The pericarp of a
contains sclerenchyma cells? hazelnut
11. Which of the following best describes scientific evi- It can be used to
dence? support or reject a
hypothesis.
12. A scientist examining fossils of small rodents at a There was a
particular location found fossils of one species in a brief and rapid
deep stratum and found fossils of a similar but dis- time of evolution-
tinct more recent species in the stratum immediately ary change in the
above. Fossils of transitional organisms were not older species, so
found. Of the following, which is the best explanation few fossils of tran-
of the observed distribution of fossils in the strata? sitional organisms
exist.
13. The graph above shows the population sizes of two Species R and
species of rodents‚ R and S‚ in a particular area S occupy different
over time. At the point indicated by the arrow‚ 500 niches.
individuals of species S were released into the area.
Population sizes of the two species were monitored
over the next 20 years. Based on the data‚ which of
the following conclusions is most likely correct about
the two rodent species in the area?
14. C
, Biology Praxis Exam Study Quiz
Study online at https://quizlet.com/_febrx9
The molecules of electron transport chains are found
in which of the labeled locations of the organelle
represented above?
15. Which of the following best describes the difference Environmental
between natural selection and artificial selection? conditions drive
natural selection,
whereas humans
determine
artificial selection.
16. Transmissible spongiform encephalopathies (TSE) Prions have no
are a family of neurodegenerative disorders caused cellular machinery
by prions. Prions are infectious misfolded protein with which to carry
sequences that can enter cells and alter the folding of out metabolism.
normal cellular prion proteins. A student claims that
prions are living organisms because they are found
in cells, can reproduce, and respond to the environ-
ment. Which of the following statements about prions
best refutes the student's claim?
17. In which of the following ways can birds most directly Birds drop seeds
contribute to ecological succession in a particular in their feces from
area? plants they have
eaten in surround-
ing areas.
18. Which of the following is a reason why the use of ge- The GMOs may
netically modified organisms (GMOs) as food crops contain new sub-
is controversial? stances that may
not be safe for all
consumers.
19. Which of the following describes an experiment per- Sterile meat broth
formed by Louis Pasteur in which he disproved the in a flask with
notion that living organisms arise by spontaneous a straight neck
generation? quickly became
cloudy when ex-
posed to the air,
but sterile meat
