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BIO 170 - First Exam - Fall 2016
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. A hypothesis needs to be
_______¬ to be useful
a. Obviously logical b.
Predictive c. Conclusive
d. Widely-accepted
e. A real money-maker
_______ 2. Results that tell you that
your basic ideas are probably wrong are covered by which
term?
a. Null results b. Negative
hypothesis c. Null hypothesis
d. Blank hypothesis
d. White mice talking about what an idiot you are
_______ 3. Which best describes the most common
form of academic peer review?
a. You check other scientists' work while designing an experiment
b. You have co-workers in the lab check your results as you record them
c. Each step in designing your experiment is checked by your supervisor
d. You write up your results and have other scientists check them
e. The other scientists try to get you to put Jell-O down your pants
_______ 4. The term niche refers to a
particular
a. Location in an ecosystem b.
Microenvironment c. Role or job in an
ecosystem
d. Class of environment
e. Word people use to make themselves sound educated
_______5. Malthus is famous for an essay
that was sort of about immigration, but was as-written
about the effects of
a. Inheritance of features b.
Overpopulation c. Natural selection
d. Virus function
e. Getting on all of the news shows
_______6. If two organisms belong to the same
order, then they must
a. Belong to the same class
b. Belong to the same genus
c. Have the same "first name" using binomial nomenclature
d. All of the above
e. Marry each other, by Arkansas law
_______7. The part of an experiment that best makes
sure that your results are trustworthy:
a. Variable b. Null hypothesis
c. Control d. Working hypothesis
e. The part when you get the paycheck
_______8. If alleles come in pairs,
then the appearance of a dominant trait indicates
a. At least one recessive allele
b. Two dominant alleles only c. At
least one dominant allele
d. Two recessive alleles only e. That the
50 Shades movies are more influential than we thought
_______9. A treatment which is like a real
treatment but actually does nothing:
a. Sham b. Mimic
c. Copy control d. Placebo
e. You mean "non-alcoholic beer" is scientific??
_______10. Sexual selection is a concept
about
a. Offspring genetics b. Species
defining c. Evolution
d. Classification parameters
e. Tinder profiles
_______11. Energy is gotten from
sugar through the process of
a. Respiration b. Reproduction
c. Radioactivity d.
Photosynthesis
e. Munching Cap'n Crunch
_______12. If the shared ancestor of the
two groups of bats did not
have wings, then wings are considered to be
a. Non-ancestral b.
Cladistically limited c. Non-preserved
d. Derived
e. Still a really cool feature
_______13. That worms and snakes have similar
shapes is an example of
a. HOX genes at work b.
Closely-shared ancestors c. Convergent
evolution
d. Divergent evolution
e. Nature’s total lack of imagination
_______14. What term applies to modification of DNA
that doesn’t change the code?
a. Metacode b. Epigenetic
c. Extragenetic d. Memetic
e. The thing that’s only almost a thing
_______15. The idea that a
researcher’s prejudices can affect their science relates to
a. Reductionism b. Regression to
the mean c. Deviationism
d. Postmodernism
e. Why we should never ever trust scientists
_______16. “Ontogeny recapitulates phylogeny”
connects
a. Genes and features
b. Embryos and evolution
c. Development of critical features
d. Enzymes and gene codes
e. Way too many long confusing words
_______17. If a classification group mistakenly
includes groups it should not:
a. Polyphyletic b. Mistaxonated
c. Multiclade d. Unsubordinated
e. You point and shout “Bad!” “Bad!” “Bad!”
_______18. Computer models may be
criticized because
a. Their results are too complex
b. Their calculations are oversimplified
c. It’s too expensive to do the actual experiments
d. The math involved isn’t understood
e. It just helps them prepare to take over
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. Briefly define reductionism.
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| 2. What are two of
LaMarck’s ideas that turn out to be not
the way things work? |
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3. What term covers all of the
energy-moving chemical reactions in an organism?
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4. What, technically, is a gene?
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5. What ultimately happens to most energy
moving along a food chain?
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| 6. For a low chromosome number,
compared to a high one - |
ADVANTAGE
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DISADVANTAGE
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7. Why is it important to use large
experimental groups? (What confounding factor gets less as the
group gets bigger?)
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8. In science, what is an artifact?
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9. Explain how a double-blind study
works. Cover both “levels of blindness.”
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| 10. Give the terms that
are used for the two patterns of evolutionary change. |
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11. Put the following groups in
order from the largest to the
smallest: Class, Family, Genus, Kingdom, Order, Phylum,
Species, Suborder, Superfamily. |
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12. What scientific role is served
by uniformitarianism?
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| 13. On his travels, Darwin
found that the differences between mainland species and island
species correlated with what two factors? |
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14. What is the current accepted definition
of a species?
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15. Briefly explain where fossil walkways
come from – how do they get preserved as fossils?
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of quantitative data over qualitative data? |
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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. Give two different rules
that apply to each specifically in
binomial nomenclature: |
FIRST
WORD |
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SECOND
WORD |
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ENTIRE
NAME |
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2. Give a simple progression,
according to Darwin’s Theory of Evolution by Natural Selection,
from the beginning to the end here - (You can answer the question
correctly and not have the same number of steps as the number of lines
here). |
| The environment around a population changes |
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| The population can now be considered a new
species. |
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3. What are the basic steps between a
virus being free in the environment to its “offspring”
being released into the environment? |
| Host cell releases viruses... |
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| Next host cell releases viruses. |
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4. For four different discoveries
in the history of genetics, give the people or
model organisms involved and the discovery. |
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ECOSYSTEM -
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COMMUNITY -
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POPULATION -
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6. For the
six basic Kingdoms of Life, give the name
of the Kingdom and enough features to clearly set that Kingdom's
members apart from those of the other five. |
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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.
Advanced science degrees tend to be significantly cheaper than
such degrees in other areas. Why? Three Points.
What is the basic mechanism of most
epigenetics? Three Points.
In what way do computers exhibit
emergent properties? Three Points.
Biologically, what does gender
mean? Three Points.
Where are you likely to find bacteria with
generational times of tens or hundreds of years? Three Points.
Why did Pacific islanders appear to have
extreme and bizarre sexual practices? Three Points.
Why was the idea of species extinction
considered blasphemous by the Church? Three Points.
Why did the British Navy need folks like
Darwin on their ships? Three Points.
What about Darwin’s famous book on evolution did the
publisher really like? Three Points.
Why was DNA considered too simple to be
usable as a genetic code? Three Points.
Why are most genetic diseases recessive?
Three Points.
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