Logical Reasoning
PrepTest 153 Section 2
Find the question you’re working on. Explore the reasoning, understand each answer, and learn from your mistakes.
Choose a question
Explanations for every question, find them by number or text.
- Q1:
In situations where it is difficult to make informed decisions…Complete the Argument
Manufacturers should label their products with information about their energy consumption [predicted conclusion]
- Q2:
Biologist: Some small animals will instinctively go limp…Paradox
Small animals "play dead" when faced with a predator.
- Q3:
Food columnist: Only 2 percent of imported seafood…Argument Evaluation
Domestic seafood is more likely to be safe to eat than imported seafood.
- Q4:
Dog owner: In general, large dogs need less intensive exercise…Necessary Assumption
Large dogs will likely be less troublesome than small dogs if the owner has limited time to exercise them.
- Q5:
One theory concerning the importance of vitamin C…Most Strongly Supported
Vitamin C is important for producing and maintaining collagen.
- Q6:
Principle: If someone makes an error, it is unethical for…Principle
Mark's use of Rashmi's clients' e-mail addresses was unethical.
- Q7:
Kevin: My barber shop sells an herbal supplement that…Flawed Reasoning
The herbal supplement does not work as Kevin's barber claims.
- Q8:
Analyst: When Johnson attacked his opponent by quoting her…Principle – Justify
Johnson's campaign runners do not actually believe that the quote was more damaging in context.
- Q9:
- Q10:
Researchers have found that most people's bodies make an enzyme…Complete the Argument
Smokers with the most common form of the enzyme tend to smoke more frequently than others.
- Q11:
Unlike other mechanical devices, the clock did not evolve…Most Strongly Supported
Early clocks were more complex than later clocks.
- Q12:
- Q13:
The use of ordinary dictionaries in interpreting the law…Weaken
The use of ordinary dictionaries for interpreting the law is justified.
- Q14:
Biologists are mistaken in thinking that the fossil record…Identify the Conclusion
The fossil record does not provide direct evidence of the course of human evolution.
- Q15:
The better we understand the behavior and ecological niche…Complete the Argument
It is harder to gain sufficient understanding to save an endangered species as it gets more endangered.
- Q16:
Art may make the world more beautiful, but one should choose…Flawed Reasoning
People should not choose to be artists.
- Q17:
Critic: Vampires have traditionally been symbols of pure evil…Role in Argument
The trend of humanizing vampires is unfortunate.
- Q18:
Some killer whales eat fish exclusively, but others also eat…Strengthen
Young harbor seals have an inherent aversion to all killer whales, but eventually learn to ignore those that only eat fish.
- Q19:
Trainer: An athlete developed lower back pain after a strenuous…Flawed Reasoning
In general, heating pads will be more effective than stretching at relieving lower back pain.
- Q20:
Some literary theorists argue that since literary works…Role in Argument
Some literary theorists argue against a viewpoint they themselves adopt.
- Q21:
City official: Landowners must clear the snow from…Must be True
Landowners are required to clear their sidewalks within 24 hours of a snowstorm ending.
- Q22:
Critic: Almost all of the paintings from our city's art…Necessary Assumption
Blue Irises cannot be considered part of the city's art movement.
- Q23:
Critic: Journalists should have reasonable knowledge of statistics…Parallel Reasoning
Journalists should have reasonable statistics knowledge.
- Q24:
Editorialist: Landis, one of this city's top elected officials…Sufficient Assumption
Landis violated his official duties by spending $10,000 to redecorate his office.
- Q25:
Katelin says that we will be hit by a major snowstorm…Flawed Parallel Reasoning
Katelin probably thinks the antique car show will be cancelled.
- Q26:
People should patronize businesses that meet high ethical…Weaken
When a business acts notably ethically, it should be publicized by the news media.
Leave a Reply