BI 171 - First Exam - 2003
Links go to pertinent sections of Book
Place the letter of the choice that
best answers the question on the line to the left.
_______ 1. In what ratio does a gene sequence relate to a protein sequence?
a. 1 to
b. 5 to
c. 10 to 1
_______ 2. The most common form of peer review could also be called
c. Process supervision
_______ 3. Thomas Malthus’ contribution to evolution theory was in the area of
_______ 4. Which comes closest to being the same as a microscope’s resolution?
c. Ease of use
The first idea to arise out of fossil
analysis and challenge accepted
c. Age of the Earth
_______ 6. Which is the clearest example of reductionism?
a. If you know how each juror feels, you can predict the jury’s verdict
_______ 7. An organism that is itself made up of individual organisms:
_______ 8. Most of today’s available biology career areas involve some variation of
Which approach to classification
is most concerned with appearance
_______ 10. A major real-life drawback to classic experimental variables is that they
a. They may not
b. Cannot be determined
_______ 11. Which is a correct cross-bonding in a DNA molecule?
a. Adenine -
b. Guanine - Cytosine
_______ 12. Which is an allowable species name?
a. lyonus densus
b. Hopius Faithius
A typical lab microscope, where the
specimen is imaged against a
a. Transmission light
b. Scanning light microscope
_______ 14. An organism’s growth and development is directed at its ability to
_______ 15. When an octopus is said to move by "jet propulsion," the comparison is
b. Homologous only
_______ 16. Which is an example of a quasi-sexual act in an asexual organism?
a. Mendel’s cross-pollination of pea plants
_______ 17. Which two processes are strongly affected by genetic redundancy?
a. Metabolic pathways and embryo development
_______ 18. "Ontogeny recapitulates phylogeny" is a concept related to how
a. Layers of fossils are created
Pick NINE questions to answer in the spaces
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.
What is an example of evolution that works in a clearly Lamarkian way? Four Points.
What is a likely explanation for an organism that seems to have existed unchanged across long stretches of the fossil record? Four Points.
Old expression, finish for 3 Points - "There are lies, there are damned lies, and then there’s..."
How are Laws in physics different from Laws in biology? Three Points.
What is the somewhat common classification level above Kingdom, used especially in microbiology? Three Points.
What was Alfred Russel Wallace’s main impact on the history of evolutionary theory? Three Points.
Why are Drosophila such a popular research animal? Two Points Each.
Rosalind Franklin deserved but never received a Nobel Prize. What, for Three Points each, were two reasons she did not get one?
Copyright 2004, Michael McDarby.