Practice Quiz

LSAT - Question List

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141. Rebecca's cooking teacher asked her to determine which ingredients were in a pasta sauce. Rebecca knew that if the sauce contained oil, the oil would separate from the remainder of the sauce if she let it sit. She let the sauce sit, saw oil rise to the top, and determined that the sauce contained olive oil.

Rebecca's reasoning was questionable because it failed to consider that
  1. Other oils besides olive oil can separate.
  2. The sauce contained many other ingredients besides oil.
  3. There are faster ways to determine if the sauce has olive oil.
  4. Even if oil was in the sauce, it was not likely the primary ingredient.
  5. Oil sometimes fails to separate.
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142. Jim went to his doctor after feeling very tired for a few days. The doctor told Jim he had either a bacterial infection or mononucleosis. He administered a mononucleosis test, but Jim tested negative. The doctor then wrote Jim a prescription for antibiotics.

Which one of the following most accurately describes the method of reasoning used by Jim’s doctor?
  1. An observation about one symptom is used to make a determination about a similar symptom.
  2. A generalization is reached by understanding a specific case.
  3. A conclusion is reached by ruling out all other possible explanations.
  4. A test is used to determine which of many possibilities is correct.
  5. A generalization is rejected because it failed to apply to a specific case.
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143. The hole in the ozone layer is constantly expanding. Many environmental activists express alarm that the hole will one day become large enough to make any kind of sun exposure extremely dangerous. This fear is misguided, however. We have identified activities contribute to the hole’s growth and people around the world are taking positive steps to change their behavior in order to stop the growth.

The claim that the hole will one day become large enough to make any kind of sun exposure extremely dangerous plays which one of the following roles in the argument?
  1. It verifies the truth of supporting evidence used for the conclusion.
  2. It is a subsidiary conclusion.
  3. It is a claim that the conclusion is trying to refute.
  4. It is used to support the conclusion.
  5. It is the main conclusion of the argument.
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144. Country Z has the lowest incidence of HIV/AIDS of any country in the world. However, people in Z who are diagnosed with HIV/AIDS die much more quickly than in other countries.

Which one of the following, if true, would most help resolve the apparent paradox?
  1. There are many forms of HIV/AIDS that have different levels of prevalence.
  2. Most of the cases of HIV/AIDS in Z are among immigrants.
  3. In Z, testing for HIV/AIDS is infrequent and often does not catch the disease until it is very advanced.
  4. The number of HIV/AIDS cases fluctuates every year.
  5. Z has high rates of other diseases, such as malaria.
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145. After a recent oil spill, volunteers rescued affected birds and nursed them back to health. Many of the birds were too badly injured to be saved, and only about 20% of the birds affected by the spill survived, even with volunteer efforts. Efforts to alleviate the effects of an oil spill are clearly a waste because even when volunteers try to save wildlife, the death rate is still so high that it is not worth the effort.

Each of the following, if true, would undermine the conclusion of the passage EXCEPT:
  1. Without the volunteer efforts, the survival rate for birds would have only been about 5%.
  2. Even if unsuccessful, many volunteers reported that the work made them more likely to volunteer again for other more successful environmental causes.
  3. Most birds become infertile after an oil spill, even if they are successfully rehabilitated.
  4. The volunteers developed better techniques for bird rescue as a result of their experience, so next time they expect the survival rate to be much higher.
  5. The volunteers successfully rescued four members of an extremely endangered species of bird.
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