PrepTest 117 Section 2

Choose a question

Explanations for every question, find them by number or text.

1. Q1:
   The tidal range at a particular location …Flawed Reasoning

   The magnitude of tidal ranges is explained entirely by gravitational forces.

2. Q2:
   Cardiologist: Coronary bypass surgery is commonly …Most Strongly Supported

   Bypass surgery is commonly performed even when certain other therapies would be equally effective.

3. Q3:
   In the past, combining children of different ages …Paradox

   In the past, mixed-age classrooms usually failed.

4. Q4:
   The top 50 centimeters of soil on Tiliga …Weaken

   The arrival of humans significantly lowered the bird population and diversity on Tiliga.

5. Q5:
   The corpus callosum–the thick band of nerve fibers …Necessary Assumption

   Musical training causes certain brain changes, especially when it starts young.

6. Q6:
   Chai: The use of the word "tree" …Point at Issue
7. Q7:
   Increases in the occurrence of hearing loss …Strengthen

   The proposed headphones wouldn't significantly reduce hearing loss among teenagers.

8. Q8:
   Most plants have developed chemical defenses against …Weaken – EXCEPT

   The additional threat posed by synthetic pesticides is minimal.

9. Q9:
   In addition to the labor and materials used …Necessary Assumption

   Expensive wine isn't always good wine.

10. Q10:
    Before their larvae hatch, each parental pair …Paradox

    We would expect two parents feeding the larvae = larger, healthier larvae.

11. Q11:
    For many centuries it was believed …Most Strongly Supported

    We used to believe only Euclidean geometry could correctly represent the universe.
    * Scientists now believe non-Euclidean geometry is more useful for developing certain scientific theories.
    * The currently most accepted cosmological theory uses a non-Euclidean representation.

12. Q12:
    Experts hired to testify in court …Principle – Application
13. Q13:
    The solution to any environmental problem …Sufficient Assumption

    Few serious ecological problems will be solved unless the solutions are made economically enticing.

14. Q14:
    The economy is doing badly …Most Strongly Supported

    The real estate market has been in a slump, and car sales are very low.
    * Either one of these alone could still be consistent with a healthy economy.
    * But both happening together makes it likely that the economy is unhealthy.

15. Q15:
    According to current geological theory …Strengthen

    It's likely that the melting of the ice contributed to the earthquakes.

16. Q16:
    Sociologist: Some economists hold that …Identify the Conclusion

    You can support democracy and still support market regulation.

17. Q17:
    The tiny hummingbird weighs little …Principle

    A hummingbird is tiny, but its egg is 15% of its adult body weight
    A goose is much bigger than a hummingbird, but its egg is only 4% of its adult body weight
    An ostrich is much bigger than a goose, but its egg is only 1.6% of its adult body weight

18. Q18:
    Bram Stoker's 1897 novel *Dracula* portrayed …Necessary Assumption

    Turning into bats is not an essential feature of vampire myths.

19. Q19:
    It is unlikely that the world will ever be free …Role in Argument

    We are unlikely to eliminate disease completely.

20. Q20:
    Scientist: My research indicates that children …Weaken

    The gene variant causes an inclination toward thrill-seeking behavior.

21. Q21:
    It is highly likely that Claudette …Flawed Reasoning

    Claudette is probably a classical pianist.

22. Q22:
    All the evidence so far gathered fits both …Flawed Parallel Reasoning

    This experiment will confirm one theory and disprove the other.

23. Q23:
    Columnist: The relief from the drudgery …Necessary Assumption

    Much modern technology undermines life's charm and diminishes well-being.

24. Q24:
    Psychologist: Some psychologists mistakenly argue …Role in Argument

    Electrical discharges can't completely explain the phenomenon of dreaming.

25. Q25:
    The first bicycle, the Draisienne …Flawed Reasoning

    Some change in societal values must have occurred between 1817 and the 1860s.