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BI 171 - First Exam - 2009
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. A microscope's resolution is most closely
related to its
a. Maximum magnification
b. Ease of use
c. Ability to focus clearly
d. Basic expense
e. Mental state on New Year's Eve
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2. Which confounding factor would be most
associated with postmodernism?
a. Experimenter bias
b. Statistical error
c. Outside interference
d. Null hypothesis
e. One with a post in it (but a modern one)
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3. In modern science, peer review usually
involves
a. Research supervisors
b. Journal editors
c. Laboratory colleagues
d. Fellow students
e. Bad habits
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4. The concept that you can understand a whole
system by understanding how each piece of the system works:
a. Deconstructivism
b. Constructivism
c. Microconcepts
d. Reductionism
e. Jigsaw puzzle-ism
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5. Fossils are generally used to compare
a. Analogies
b. Homologies
c. Emergent properties
d. Genera
e. Stock portfolios
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6. All cells have
a. Cell membranes
b. Cell walls
c. Membranes or walls, but not both
d. Nuclei e.
Locked doors
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7. In a test of new drugs, all test groups get
the same basic treatment in order to figure in the
a. Double blind
b. Treatment effect
c. Patient effect
d. Placebo effect
e. Most ways to divert money
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8. Which would be a direct observation?
a. You see a cell through a microscope
b. You hear a bird but can't see it
c. You read about a bright light seen in the sky last night
d. You listen to a friend's story about how a skunk smells
e. You meet Steven Spielberg?
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9. When linkage occurs, alleles are
a. Similar in sequence
b. Similar in function
c. On a common chromosome
d. All of these
e. Going to show little hands when you point at them
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10. Which would be a niche?
a. Top predator
b. Ground-covering plant
c. Internal parasite
d. All of these
e. Isn't that some sort of French snack?
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11. Which experiment's main weakness is that its evidence is
anecdotal?
a. A young gorilla is taught sign language
b. A drug test control group is totally untreated
c. A field test of 100 elk is impossible to run a control for
d. A confounding factor is known but completely ignored
e. My particular study approach for this question
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12. If a true-breeding dominant is crossed with a
true-breeding recessive, the next generation
will show what ratio?
a. All recessive
b. All dominant
c. Half and half
d. 75% dominant, 25% recessive
e. Math? Math????
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13. Which concept was first developed using
Neurospora?
a. Mutations are inheritable
b. Linkage of chromosomes
c. DNA structure
d. Genes connect to single proteins
e. Isn't that some sort of body wash?
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14. A cell with a high chromosome number may have a
a. Increase in point mutations
b. Problem during division
c. Higher chance of showing dominance
d. Lower chance of showing dominance
e. Ego issue
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15. If several groups share cladistically important
ancestral features, they should be
a. Paraphyletic
b. Polyphyletic
c. Monophyletic
d. Cladophyletic
e. Facebook friends
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16. If a spherical cell doubles in size (volume),
its surface
a. Shrinks in size
b. Increases but doesn't double
c. Doubles in size
d. More than doubles in size
e. Is on the outside
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17. Sectioning is very often a necessity in which case?
a. Too many variables
b. Evolution of multiple species in the same region
c. Preparation of chromosomes for reproduction
d. Preparing specimens for transmission microscopes
e. Selling concert tickets
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18. Which uses a uniformitarian approach?
a. Gradual evolutionary rate b. Punctuated evolutionary rate
c. Reproducibility in experiment design
d. Dominance genetics
e. The Marines and the Cub Scouts
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 is the likeliest situation for a species
that very closely resembles an ancient fossil form? |
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2. What two
different wrong ideas are associated with
LaMarck? |
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3. Briefly
explain how unicellular colonialism works. |
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4. Describe the two types of genetic redundancy. |
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5. What feature about virus activity led to what
genetics discovery? |
| FEATURE
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DISCOVERY |
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6. Give the
basic biological definition of sexual reproduction. |
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7. According
to Malthus, what are two different natural controls over
population growth? |
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8. What are
two different factors that can induce mutations in
Drosophila? |
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9. Put the following groups in order from
the largest to the smallest: Class, Family, Genus,
Kingdom, Order, Phylum, Species, Suborder, Superclass. |
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4 |
7 |
| 2 |
5 |
8 |
| 3 |
6 |
9 |
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10. In an experiment, what is an artifact? |
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11. Why is the
fossil record for many groups fairly incomplete? |
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12. Give two
different types of examples of epigenetic inheritance. |
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13. Why is
knowing the human genome important when a discovery is made with
yeast cells? |
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14. What does
"ontogeny recapitulates phylogeny" mean? |
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15. In the history of Kingdom-based
classification, |
Which Kingdom
was eventually
dropped? |
Which was the
first Kingdom to
split from the basic
two? |
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. When biologists are trying to decide whether
viruses are truly alive, these are important: |
| Two
traits viruses have IN COMMON with all living things. |
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| Two
traits all living things should have that all viruses do not.
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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. Give
four rules from the classic Cell Theory. |
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5. Answer the following questions about DNA - |
How do the components
(Adenine, Cytosine, Guanine,
Thymine) pair up?
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How does the gene
code
sequence relate to the
coded protein sequence?
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Which component
changes /
mutations are least dangerous,
and (briefly) why?
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6. Define
these types of selection: |
ARTIFICIAL
SELECTION
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SEXUAL
SELECTION
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NATURAL
SELECTION
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7. Answer the following about
classic Scientific Method: |
Two
features a good
hypothesis should have |
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Role served by
the experimental variable
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Purpose of the control test
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8. Give two different rules that apply to
each in binomial nomenclature: |
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FIRST WORD |
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SECOND WORD |
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ENTIRE NAME |
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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.
What used to be the common language of science? Three Points.
What sort of artificial system often seems to have emergent properties? Three
Points.
What was thought to be the confounding factor in Redi's first experimental
set-up? Three Points.
Give one reason why intelligent design is not thought to be science. Three
Points.
How is a Law in physics generally different from a Law in biology? Three Points.
What is usually done with qualitative data in science? Three Points.
Why do electron microscopes have to have vacuums in them? Three Points.
When religious fundamentalists found the idea
of extinction to be contrary to their interpretation of the Bible, what
scriptural approach was used to possibly allow it? Three Points.
How can a "brand new" feature evolve? Three Points.
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