Practice Quiz

LSAT - Question List

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161. Our local newspaper asserts that it tries to publish only letters to the editor that tackle important issues. My letter is being published tomorrow so clearly the newspaper believes it tackles important issues.

The reasoning in the argument is most vulnerable to criticism on the grounds that it
  1. Takes a necessary condition and mistakes it for a sufficient condition.
  2. Fails to consider that people at the newspaper may have different opinions.
  3. Uses an unreliable source as evidence.
  4. Provides no information about which issues are considered important.
  5. Treats a main factor for consideration as the sole factor for consideration.
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162. Geneticist: “Adopted children often display different characteristics from their siblings, choosing different careers, values, or hobbies. Clearly some of our preferences are therefore biologically innate, and are not influenced by the environments in which we are raised.”

Which of the following, if true, would most weaken the geneticist’s argument?
  1. Biological children also display very different attitudes in regard to career, values, and hobbies.
  2. Scientists are unable to link any genes to certain propensities.
  3. Many people change their preferences as their life progresses.
  4. Children who are raised together but are far apart in age are also likely to have very different opinions.
  5. Children often try to mimic the preferences of their parents, but then rebel in adolescence.
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163. Human beings are happiest when surrounded by friends and family. However, many people become isolated after moving for a career or school and have few friends and family near them. Due to economic need, many people have little choice but to move and so it can be inferred that ____________________.

Which of the following most logically completes the argument?
  1. Necessity dictates that people must sometimes sacrifice happiness for economic needs.
  2. People do not try hard enough to stay near friends and family.
  3. People make choices that are not in their own best interest.
  4. If given the option, people should always choose family over money.
  5. People would be happier if they were poor and near family.
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164. Technologically, it is already possible to make a high-speed rail system that stretches across the country. However, such a system would be expensive and many people do not see a need for it because of the existing highway system. However, in the 19th century, when we built coast to coast railway systems, many people also thought the project was too expensive and did not see a need. Eventually the railways were built and became quite popular.

Which of the following most accurately expresses the conclusion drawn in the argument?
  1. Many people express doubts about the feasibility of building a high-speed railway system.
  2. If people do not see an immediate need for something, it is not likely to happen.
  3. The high-speed railway system would likely gain supporters if it were built.
  4. The high-speed railway system would operate much the same as the existing system.
  5. It is already possible to build a high-speed railway system.
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165. Biologist: “People should not remove animals from their natural habitat, even if injured. After being cared for by humans, animals often lose their ability to survive in the wild on their own, leaving them vulnerable to predators. It is never appropriate to interfere with nature.”

Each of the following would undermine the biologist’s argument EXCEPT:
  1. Humans generally only remove animals when they are so injured as to be unable to survive in the wild anyway.
  2. Humans often mistake a minor injury in an animal for a serious injury.
  3. Trained wildlife professionals do their best not to disturb the animal’s habitat when rescuing it.
  4. If cared for only a short time by humans, many animals can successfully reintegrate in the wild.
  5. Without human interference, many extremely endangered species would disappear.
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