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BI 171 - First Exam - 2008
Links connect to relevant
parts of the online book.
Multiple Choice.
Place the letter of the choice that best answers the question on the line to
the left.
Two Points Each. NOTE: "e" answers are never the correct answer.
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1. "Ontogeny recapitulates phylogeny" connects
a. Fossils and taxonomy
b. Genetics and evolution
c. Fossils and genetics
d. Embryos and evolution
e. My nightmares with reality
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2. In testing cats for color blindness, you
use different-colored doors, with a reward hidden behind a particular color.
The variable of this experiment is
a. The different doors
b. The different colors
c. The different cats
d. The different reactions of the cats
e. My interest. No, wait, zero isn't a variable.
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3. A device that allows researchers to hear
bat sonar, which humans can't hear, will provide
a. Statistical manipulations
b. Double blind data
c. Indirect observations
d. Blind data
e. Some odd eavesdropping records
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4. Under the most recent well-accepted
definition, a species can be defined through
a. Observations in the field
b. Genetics testing
c. Breeding experiments
d. Comparing anatomy
e. A good dictionary
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5. A deletion-type point mutation can
be particularly bad because it
a. Produces dominant alleles
b. Produces recessive alleles
c. Shifts the codon reading frame
d. Is carried by a virus
e. Just doesn't care anymore
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6. In which pairing are the structures
homologous but not analogous?
a. Bat wing and a butterfly wing
b. Bat wing and a whale flipper
c. Shark tail and a boat propeller
d. Chameleon blending into background and sting ray covering itself in sand
e. How can an exam like this not come with darts and a dartboard?
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7. Because of metabolic pathways, most
features are
a. Recessive traits
b. Epigenetic
c. Multiple-gene traits
d. Dominant traits
e. Paved over
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8. An idea about how the world works that used
to be thought by fundamentalist Christians to be absolutely contrary the
Bible, but isn't any longer:
a. Uniformitarianism
b. Extinction
c. Catastrophism
d. Genetics
e. Can they do that?
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9. In the current culture of science, an
experiment is most likely to go through peer review in
which stage?
a. Hypothesis-forming
b. Design
c. Carrying out the tests
d. Publishing the results
e. The most embarrassing time
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10. If one side of a DNA molecule has
the sequence CTAGGACCT, the other side is
a. GATCCTGGA
b. ccc-ttt-aaa-ggg-ggg-aaa-ccc-ccc-ttt
c. CTAGGACCT
d. TCGAAGTTC
e. Getting pretty tired of the constant comparisons
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11. Which is an allowable species name?
a. Saria Palina
b. baraka obama
c. josephi Bideni
d. Johnus mccainius
e. Okay, now I'm depressed...
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12. Dominance is directly produced by
a. Variant proteins
b. Different genes
c. Different alleles
d. Variant traits
e. Good self-esteem
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13. Which term implies that a mistake
has been made?
a. Control group
b. Polyphyletic
c. Cladistics
d. Epigenetic
e. Morons
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14. The two different evolutionary rates
are known as
a. Adaptive and sexual
b. Survival and sexual
c. Punctuated and gradual
d. Selected and directed
e. The good one and the bad one
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15. Organisms that are between
unicellular and multicellular:
a. Colonial
b. Syncytial
c. Microbial
d. Intermediate
e. Indecisive
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16. Which is a niche?
a. A microenvironment in an ecosystem
b. Part of a colonial organism
c. An adaptive feature
d. A role played by a species in an ecosystem
e. A word that looks French, so we want to forget it
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17. A control test is an important part
of an experiment because
a. It allows the experiment to run smoothly
b. It provides a valid comparison result
c. It provides quantitative results
d. All of the above
e. It's what all the most popular experimenters do
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18. In DNA,
a. Every unit translates to 3 units in the protein
b. Every 2 units translates to 1 unit in the protein
c. Every unit translates to 2 units in the protein
d. Every 3 units translates to 1 unit in the protein
e. There's stuff and then there's other stuff
Short Answer.
Pick NINE questions to answer in the spaces provided.
NOTE: if you answer MORE than nine, only the first nine will be
corrected.
Four Points each. Partial credit is possible.
| 1.
According to postmodernism, what are two
different types of things that could be influencing science but
shouldn't be? |
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2. For a long time, DNA was
rejected as being able to carry information. Why? |
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3. Briefly explain the most
widely-accepted explanation for why cells seem to
have a maximum size limit. |
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4. Why is a uniformitarian
approach almost necessary in some cases? |
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5. Briefly explain how research with
yeast can be impacted by the Human Genome Project. |
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6. What are two different features
that living things should have, but viruses do not?
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7. The two features that a good
scientific hypothesis needs to have - |
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8. What
is genetic linkage? |
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9. What
are two features (other than being dead) that the vast
majority of fossilized organisms have in common?
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11. What
are two provisions of the Cell Theory? |
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12. Briefly describe the process of
sexual selection.
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13. Put the following groups in
order from the largest to the smallest: Class,
Family, Genus, Kingdom, Order, Phylum, Species, Subphylum,
Superorder. |
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4. |
7. |
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8. |
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9. |
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14. In an experiment, what is an
artifact? |
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15. Explain why organisms with high
chromosome numbers have more evolutionary potential.
Clearly connect the two. |
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Long Answer.
Select and answer completely any four of the following
questions.
Note: if you answer more than four, only the first four will be corrected.
Seven Points Each. Partial credit is possible.
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1. Name four of the Six
"Basic" Kingdoms, and for each list enough traits to make
it clearly different from the other five. |
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2. For
the four experimental "systems" listed below, give a
critical discovery in genetics history that was made using them. |
PEA
PLANTS
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DROSOPHILA
FRUIT FLIES
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NEUROSPORA
MOLD
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BACTERIOPHAGE
VIRUSES
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3. Microscopes
can be split into two main groups based upon either
listed feature. For each feature, name the groups. |
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Nature of the Imaging Beam
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Interaction of Beam with
specimen |
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4. What are four basic features that all
living things are supposed to have? |
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5. Give
the steps that, according to the Theory of Evolution by Natural
Selection, should happen between the steps given.
(There's no set number, so don't think each line
needs to be a step). |
| The environment around a
population changes. |
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The new population is different
enough to be considered a new species. |
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6.
Before he went on his Beagle voyage, Darwin already had in
his head
concepts that would figure into his theories. Describe
three.
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7. Give
the following for asexual reproduction - |
BASIC DEFINITION:
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ADVANTAGE
compared to sexual
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DISADVANTAGE
compared to sexual
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Link to Answer Key
BONUS QUESTIONS.
Answer as many or as few as you wish. You can't
lose points on the rest of the exam by getting these wrong. Partial credit
is possible.
The newest definitions of epigenetic have lost a critical detail from the
early definitions - what is it? Three Points.
When a study of clearing rainforest showed more biodiversity after the
clearing in the amphibian study subjects, what did the researchers decide
they needed to do? Three Points.
What often happens to "Laws" in biology that is not supposed to happen the
Laws in physics? Three Points.
Taxonomy connects to two features humans have that are almost compulsive.
For Two Points Each, what are they?
What is the major disadvantage to cell walls in multicelled systems? Three
Points.
Galapagos iguanas had to adapt to a new environment between the mainland and
the islands - what was it? Three Points.
Name a group other than mammals that use unmatched chromosomes to determine
gender. Three Points.
How do viruses reproduce? Three Points.
For Three Points Each, give reasons why Rosalind Franklin probably did not
receive proper credit for the discoveries she contributed to.
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