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BIO 170
- First Exam
- Spring 2016
Links go to pertinent
passages of 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. What important stage of science
often happens during the publishing phase?
a. Funding
b. Statistical manipulation
c. Application of control test
d. Peer review
e. Increasing your Twitter following
_______
2. In terms of coding
molecular bits, the ratio of
DNA to protein sequence is
a. Ten to one b. Three to one
c. Four to one d. Two to one
e. Something to one
_______
3. In a typical food chain
a. Materials are mostly recycled but energy is mostly lost
b. Energy is mostly recycled but materials are mostly lost
c. Both energy and materials are mostly recycled
d. Both energy and materials are mostly lost
e. I think at this point I’m mostly lost
_______
4. Which is defined from
group behavior in the natural habitat?
a. Metabolism b. Evolution
c. Species d. Confounding
factors
e. How viral a meme is
_______
5. The experimental
variable should vary
a. Between the beginning and the results
b. Among different experimental tests
c. Between the experimental test and the control test
d. Whenever you measure it
e. Because if it didn’t, it would be an invariable
_______
6. Radiation is particularly good
at creating mutations through
a. Disrupting the repair enzymes
b. Changing the chromosome number
c. Breaking the cells apart
d. Breaking DNA in many places at once
e. It has to be, or there’d be way fewer superheroes
_______
7. Which is an example of the
null hypothesis at work?
a. Experimental results do not support the hypothesis
b. There is no way to set up a control group
c. Testing can only be done in the field
d. There are no good ways to explain an observation
e. This guy named Dr. Null has an idea
_______
8. Populations typically evolve
rapidly when
a. They need to improve
b. Conditions change around them
c. There are many mutations
d. Their variation is limited
e. They can get a big prize
_______
9. The idea that a complex system can be
understood if you understand all of the parts of that system is
a. Uniformitarianism b.
Constructionism c. Reductionism
d. Structuralism
e. Something without a name – only the bits have names
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10. In which system does a “family
tree” branch when important features appear?
a. Taxodermy b. Systematics
c. Genetics d. Cladistics
e. The branchy-features system
_______
11. Reducing the impact of pure
chance on experimental results is usually done
by
a. Changing the control test
b. Selecting participants very carefully
c. Eliminating every other confounding factor
d. Using large numbers of test subjects
e. Betting on the results in Las Vegas
_______
12. The term metabolism is
concerned mostly with
a. Synthesis b. Energy
c. Digestion d. Breakdown
e. Getting ready for swimsuit season
_______
13. An early idea of how the
environment affected natural populations came from a paper by
Malthus about
a. How new, needed traits appear
b. Extinction events
c. Overpopulation
d. Artificial selection
e. The environment, and effects it can have on populations
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14. The confounding factor
associated with postmodernism is
a. Artifacts b. Chance
c. Reproducibility d. Bias
e. Is a post really that modern-?
_______
15. Researchers connect fossils to living
groups using mostly
a. Radioactive dating b. Analogy
c. Homology d. Genetic analysis
e. A really big dartboard
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16. Genetic redundancy can help
explain
a. Why many systems use the same alleles
b. Why many systems use the same enzymes
c. How new genes can appear without losing old ones
d. Why pea plant genes assort independent of each other
e. Why the politicians all sound alike
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17. Looking at cells through a
microscope is a type of
a. Control test b. Field test
c. Indirect observation d.
Direct observation
e. Odd way to avoid an argument
_______
18. This term is used when someone
thinks a classification group is
wrong-
a. Polyphyletic b. Non
systematic c. Monophyletic
d. Confounding e. Stinky-poo
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. For the types of living things found
most commonly as fossils, give two different
features / circumstances they lived in they
had when they were alive (other than basic life
features). |
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2. What is the basic idea of “ontogeny
recapitulates phylogeny”?
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3. For each, give one weakness
for using - |
ANIMAL
MODELS |
COMPUTER
MODELS |
4. Briefly explain how sexual selection
works in an asexual species.
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5. Briefly explain how convergent evolution
works.
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6. What are two different “features of
Life” that typically are not found in
viruses? |
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7. Briefly explain why the
placebo effect is an artifact.
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8. Put, in order, the three
levels of a typical food chain. |
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9. What, technically, is a gene?
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10a. What widely-accepted idea
was challenged by Redi’s experiment?
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10b. What specific change
was Redi trying to show didn’t happen?
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11. In disagreements about
classification, what are scientists - |
NOT
USUALLY
ALLOWED
TO DO? |
ALLOWED
TO DO
EASILY? |
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12. Put the following groups in
order from the largest to the
smallest: Class, Family, Genus, Kingdom, Order, Phylum,
Species, Subfamily, Superclass. |
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2 |
3 |
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5 |
6 |
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8 |
9 |
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13. In a double-blind drug test,
what two different groups are blinded? |
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14. What feature would make a species colonial?
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15. For a low chromosome number,
compared to a high one, give one specific - |
ADVANTAGE
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DISADVANTAGE
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16. Briefly explain how hybrid
vigor works.
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17. The two major advantages
of quantitative data over qualitative data: |
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18. Alfred Russel Wallace is now
mostly known for what contribution to the
history of evolution science?
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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. For four of 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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2. Give the following for sexual
reproduction - |
BASIC
DEFINITION |
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ADVANTAGE
compared to asexual
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DISADVANTAGE
compared to asexual
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3. Two different processes
that take some energy from the environment to make chemical bond
energy in fuel molecules - |
| Name of
Process |
Type of
environmental energy used by each named process - |
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4. What are four basic features
that all living things are supposed to have? |
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5. 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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6. Put these in order so that each later
level contains the earlier ones:
Community, Ecosystems, Individuals, Populations. |
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7. For four different discoveries
in the history of genetics, give the people or
model organisms involved and the discovery. |
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6. 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. |
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.
Why is variation such an important feature
of groups? Three Points.
For many discoveries reported in the
internet, what important step has not happened?
Three Points.
Why should the word proof (or prove)
not be used for scientific results? Three Points.
How can one person’s experimental results
be another person’s observation? Three Points.
For triple-blind tests, what group is
added? Three Points.
What turned out to be wrong with the
aluminum produces Alzheimer’s experiment? Three
Points.
How can ethics be a confounding
factor? Three Points.
Why is the classification guy known as Linnaeus
if that wasn’t his name? Three Points.
Some living things live in “extreme”
environments. For Two Points Each, what are examples of types
of such environments?
Why was Darwin hired onto the
Beagle? Three Points.
Why are the vast majority of traits
multiple-gene traits? Three Points.
Why did Rosalind Franklin probably
not get the credit she deserved? Two Each.
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