BI 171 - First Exam - 2006
Place the letter of the choice that
best answers the question on the line to the left.
Each question's number is linked to the relevant part of the online book, if possible (some questions relate to multiple sections).
1. A washing machine motor and the
flagellum of a bacterium have a spinning wheel-in-a-drum
a. Neither analogous nor homologous
_______ 2. The sequence of DNA to protein, code components to amino acids, is a ratio of
a. Three to one b. Two to one c. One to two
3. Darwinís Theory of Natural
Selection is often called "Survival of the Fittest," but it really
a. Survival of the Strongest
b. Reproduction of the Fittest
_______ 4. The placebo effect is a type of
a. Confounding factor
b. Control test c. Statistical manipulation
_______ 5. Which is an acceptable species name?
a. studentus tremblius b.
collegius Johnstownius c. Examinus horribilus
_______ 6. The most common form of peer review happens
a. During the early design phase
_______ 7. Rates of evolutionary change are dependent on which rates?
a. Environmental change and death rate
_______ 8. Gaps in the fossil record are mostly related to
a. Migration of animals b. Migration of plants c. Migration of water bodies
_______ 9. Layers of sedimentary rock in different places are linked mostly according to
a. Radioactive dating of the minerals b.
Matching fossil organisms
_______ 10. When DNA is analyzed, which component would have an equal amount to guanine?
a. Adenine b. Thymine c. Uracil
_______ 11. The groupings of species are determined by
a. Reproductive success
b. Offspring reproduction
_______ 12. The problem with designing a test involving one cat and one dog is that the results would be
a. Anecdotal b. Noncomparative c. Confounding
_______ 13. Which would be a niche?
a. Valley b. Top predator c. Chipmunk
_______ 14. If a hawk inherits a hunting territory from it parents, the inheritance is
_______ 15. Which taxonomic approach focuses on when particular features arise during evolution?
a. Phylogeny b.
Traditionalist c. Systematics
_______ 16. Which is true?
a. All cells have cell walls, but only some
cells have cell membranes
_______ 17. The resolution of a microscope is determined by looking for
a. The highest magnification the lenses can
_______ 18. As a spherical object like a cell increases in size,
a. Volume increases at a faster rate than
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.
Select and answer completely any four
of the following 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.
Pick a single feature of Life that should apply to any living thing, anywhere, even on other planets, and explain briefly why it has to be present. Four Points.
What confounding factor exists whenever animal behavior is studied in the environment? Three Points.
What types of organisms did Carolus Linnaeus specialize in? Three Points.
Why does an electron microscope require a vacuum inside it? Three Points.
Other than for research, why did Darwin probably spend so much time shore? Three Points each.
Why did Darwin probably wait so long before publishing his theory of evolution? Three Points.
What was it about chromosomes that made people strongly suspect that they carried genetic information? Three Points.
According to the rules, who can never be awarded a Nobel Prize? Three Points.
What is a knockout mouse? Three Points.