SCI 135 - First Exam Spring 2012
Links in each number connect to the pertinent sections of the online book.
On the line to the left, place the letter of the choice that best answers the question.
Three Points Each. NOTE: "e" answers are never the correct answer.
1. The “units” of molecular clocks are
_______ a. Radioactive half-lives b. Point mutations
c. Multiple bonds d. Fossil types
2. The polarity of a molecule produces
_______ a. Ionic bonds b. Magnetic bonds
c. Covalent bonds d. Hydrogen bonds
e. Um, Poland?
3. If I rerun your experiment, I should
_______ a. Get similar results b. Make the same conclusion
c. Use a different variable d. Do all of these
e. Also get a date with your significant other
4. Which thing is a classification scientist not allowed to just do?
_______ a. Name a new species
b. Change a group’s existing name
c. Use the same word twice in a species name
d. Change a group’s accepted classification level
e. Make all of their Facebook friends choose a favorite slime mold
5. For most academic research, the peers of peer review work
_______ a. In a nearby lab b. At another school
c. In the same lab d. For a scientific journal
e. To look better than everybody else
6. Convergent evolution can easily produce
a. Analogous structures that are not homologous
b. Homologous structures that are not analogous
_______ c. Several species appearing in the same location
d. Several species that used to be in the same location
e. Evolution that converges
7. Which scientific issue is most connected to postmodernism?
_______ a. Placebo effect b. Peer review
c. Using computer simulations d. Experimenter bias
e. Um, this month’s issue-?
8. Between single-celled and multi-celled is
_______ a. Single-celled colonial b. Tissue-based c. Plants
d. Prokaryote e. That evil place called No-Cell’s-Land
9. Using many subjects in an experiment
_______ a. Isn’t necessary b. Reduces the impact of chance
c. Gives more variables d. Is only needed in controls
e. Will increase your insurance costs
10. Natural reproductive behavior is a critical part of
_______ a. Gene dominance b. Gene recessiveness
c. Defining a species d. Any field study
e. Becoming a pop star
11. Which species name follows the proper rules?
_______ a. Newtus gingrichius b. Mittus Romneus
c. ricardum santorum d. ronnus Paulus
e. So they don’t belong to our species - ?
12. A free radical is very chemically active because
_______ a. It easily ionizes
b. It has too many neutrons
c. Its outer electron shell isn’t full
d. It’s breaking apart
e. It has a very poor self-image
Answer any eight of the following questions for 4 Points Each.
Note: if you answer more than
eight, only the first eight will be corrected.
Answer any four of the following questions for Eight Points Each.
Note: if you answer more than four, only the first four will be corrected.
You can get partial credit on these answers.
Answer as many as you are able. Wrong answers will not result in points being lost from the main exam. You can get partial credit on these answers.
Where in the world is chemosynthesis driving the food chains? Three Points.
What is ATP? The molecule, not the auto product. Three Points.
What makes a species colonial? Three Points.
Under the old ideas, where did people think maggots came from? Three Points.
Aluminum was found in brain tissue of Alheimer’s patients. How did it get there? Three Points.
What happens at the “top level” of a triple-blind test? Three Points.
The Ancient Greeks used a “natural Kingdom” that stopped being considered a classification Kingdom later. What was it? Three Points.
Why are species names supposed to be in italics? Three Points.
In the introductory six-Kingdom system, what’s the newest Kingdom? Three Points.
What important function is performed by neutrons? Three Points.
Why does becoming an ion often make a chemical more stable? Three Points.