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BI 171 - First Exam - 2007
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.
_______1.
Which is an allowable species name?
a. Hillaria Clintona
b. baraka obama
c. josephi Bideni
d. Johnus mccainius
e. Those are some unfit species...
_______
2. Which best reflects on the hypotheses on why cells
are limited in size?
a. Volume and surface area increase at the same rate
b. Volume increases at a faster rate than surface area
c. Volume increases at a slower rate than surface area
d. All of the above
e. Cells are teeny - that's just the rule
_______
3. Sectioning is often required for what type of
microscope?
a. Electron
b. Light
c. Transmission
d. Scanning
e. The one that needs sectioning
_______
4. Which is an example of a direct observation?
a. Hearing an echo
b. Listening to someone's experiences
c. Reading an article
d. Using a radiation detector
e. Reading questions through the tears
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5. The bones of a human arm and a front dolphin flipper
have the same basic bones, different only in layout and use.
The arm and flipper are
a. Analogous only
b. Homologous only
c. Both analogous and homologous
d. Neither analogous nor homologous
e. Both tasty with the right sorts of seasonings
_______6.
One of Lamarck's ideas still has a great influence on how
people think about evolution, even though it's wrong.
What is the idea?
a. Evolution only happens gradually
b. Traits acquired during a lifetime can be passed as changed to offspring
c. Evolution is a totally random process
d. Evolution is progress, leading toward predictable goals
e. It never happened
_______7.
The broadly-accepted current way to determine a species
involves
a. Doing breeding experiment
b. Running genetic tests
c. Observing behavior in nature
d. Comparing embryos
e. Guessing, mostly
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8. In modern science, peer review is most likely to
happen at which stage?
a. Hypothesizing
b. Publication of results
c. Experimental design
d. Collection of data
e. When it hits YouTube
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9. Which is not a way that DNA nucleotides connect
across strands?
a. Adenine - Thymine
b. Guanine - Cytosine
c. Adenine - Cytosine
d. Thymine - Adenine
e. I feel like a Geico caveman...but dumber...
_______
10. Which is most likely to leave a nice, continuous
fossil record?
a. A species of tree
b. A species of dinosaur
c. A species of desert tortoise
d. A species of clam
e. The one with the fossil recording contract
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11. "Ontogeny recapitulates phylogeny" is a concept
related to how
a. Layers of fossils are created
b. A sequence of lenses can both clarify and magnify
c. Development of embryos mirrors ancestral evolution
d. Metabolic pathways mimic genetic sequences
e. Big words can be really confusing
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12. When taxonomic disagreements are raised, what
changes are usually made?
a. Both group names and taxonomic levels about equally
b. Nothing is allowed to be changed
c. Group names
d. Taxonomic levels
e. If it's a nice disagreement, folks might change their minds...
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13. In DNA coding, the typical ratio is
a. Three DNA nucleotides for one protein amino acid
b. Two DNA nucleotides for one protein amino acid
c. Three protein amino acids for one DNA nucleotide
d. Two protein amino acids for one DNA nucleotide
e. A bit of this to a different bit of that
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14. Uniformitarianism was developed as an approach to
a. Reproducible experiments
b. Understanding past processes
c. Genome comparisons
d. Development of cell theory
e. Getting a world's record for long words
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15. Artificial selection can be applied as a term to
which example?
a. Mendel's pea plants b.
Meatier cattle c. Pit bull breeding
d. Any of these
e. Surfing the internet for questionable sites
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16. Which comes closest to being the same as a
microscope's resolution?
a. Imaging system b. Maximum
magnification c. Ease of use
d. Focusing capability
e. Microscopes make promises on New Year's Eve-?
_______
17. Evolutionary rates are most likely to be
a. Slow and gradual
b. Punctuated
c. Patterned after environmental changes
d. Dictated by what the ultimate goal of the changes are
e. As difficult to understand as changes in the stock market
_______
18. Which slogan could be used for reductionism?
a. "Don't worry about the details"
b. "You have to know history to know the present"
c. "If it isn't numbers, it isn't useful"
d. "Understand the pieces, understand the whole"
e. "Save the cheerleader, make good ratings"
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.
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1. What are
two conditions a Hardy-Weinberg population requires, that do NOT involve
a form of selection? |
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| 2.
For an electron microscope, compared to
a light microscope, give one - |
| ADVANTAGE
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DISADVANTAGE
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3. Briefly
explain how a founder effect works.
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4a. Give an
example of a type of data that is really qualitative.
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4b. Explain a way to make that data quantitative.
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5. What
features does a species need to be considered colonial?
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6. Basic scientific method (the approach, not
the details of experimental design) has several principal features. What
are two? |
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7. Explain
how sexual selection works.
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8. Put the following groups in order from the
largest to the smallest: Class, Family, Genus, Kingdom, Order, Phylum,
Species, Subclass, Superfamily. |
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4 |
7 |
| 2 |
5 |
8 |
| 3 |
6 |
9 |
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9. Relatedness
can be measured comparing what different types of molecules? |
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10. Briefly explain the role that postmodernism
plays in science.
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11. According
to Malthus, what are two natural limiting factors to growing
populations? |
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12. What are two sets of circumstances that have
led to the evolution of alternation of generations in different groups? |
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13. What are two different traits that viruses
don't have but "living" things do? |
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14. For
each, give a disadvantage - |
LOW
CHROMOSOME
NUMBER |
HIGH
CHROMOSOME
NUMBER |
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. Define any four (don't do more than 4) of the
following terms as they apply to scientific method: |
Experimental
Variable
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Control |
Confounding
Factors
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Artifacts |
| Placebo |
Anecdotal
Evidence
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2. Give the steps that, according to the Theory of Evolution
by Natural Selection, should happen between the steps given.
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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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3. What are four different major discoveries that were
made in genetics before the Watson & Crick discovery about DNA
structure? |
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4. Give the
following for sexual reproduction -
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BASIC DEFINITION
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ADVANTAGE
compared to asexual
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DISADVANTAGE
compared to asexual
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5. Give
four rules from the classic Cell Theory. |
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6. What are four basic features that all living things
are supposed to have? |
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7. 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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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.
Supernatural explanations of the world are often considered unscientific. Give
one reason why. Three Points.
In what critical way are biology Laws different from physics Laws? Three Points.
What biology subfield was made a bit more bizarre
by Linnaeus? Two Points. Two more if you can explain why.
What limitation is found in multicellular systems
where cells have cell walls? Three Points.
Why exactly was the idea of extinction considered
heretical? Three Points.
In what way can a low chromosome number mimic asexual reproduction? Three
Points.
Which major group typically reproduces sexually,
but has no genders? Three Points
What sorts of events can cause a population bottleneck? Two Points each.
Hardy-Weinberg equilibrium requires very unnatural conditions - so why is it
used in describing natural processes? Three Points.
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