Reading Comprehension Summarizing and Paraphrasing 3 — Questions and Answers
Question 1: Deforestation in the Amazon rainforest threatens biodiversity, disrupts water cycles, and contributes to climate change by releasing stored carbon. Indigenous communities who depend on the forest for food, medicine, and culture face displacement as trees are cleared for agriculture and cattle ranching. Which sentence best summarizes the passage?
- Amazon deforestation harms ecosystems, the global climate, and Indigenous peoples who depend on the forest for their way of life. (Correct answer)
- Indigenous communities in the Amazon are the main cause of deforestation through traditional farming practices.
- Climate scientists are primarily concerned about the carbon released when Amazon trees are burned or cut down.
- Cattle ranching is banned in the Amazon region because of its negative effects on biodiversity.
Correct answer: Amazon deforestation harms ecosystems, the global climate, and Indigenous peoples who depend on the forest for their way of life.
Option A concisely covers all three dimensions of harm — ecological, climatic, and human — described in the passage.
Question 2: The human brain continues developing until approximately age 25, with the prefrontal cortex — responsible for decision-making, impulse control, and long-term planning — being the last region to fully mature. Which is the best paraphrase of this sentence?
- Brain development extends into the mid-twenties, and the area governing judgment, self-control, and future planning is the final part to reach full maturity. (Correct answer)
- Teenagers make poor decisions because their brains are immature and they cannot think about consequences.
- The prefrontal cortex controls all brain functions and is the most important region of the human brain.
- Scientists discovered that the human brain stops growing at age 25 and cannot form new connections after that.
Correct answer: Brain development extends into the mid-twenties, and the area governing judgment, self-control, and future planning is the final part to reach full maturity.
Option A accurately rephrases both the developmental timeline and the specific functions of the prefrontal cortex without distorting the meaning.
Question 3: In the early 20th century, Marie Curie became the first person to win Nobel Prizes in two different sciences — Physics in 1903 and Chemistry in 1911. Her research on radioactivity opened new fields of study and directly contributed to advances in medical imaging and cancer treatment. Which is the most concise and accurate restatement?
- Marie Curie's pioneering radioactivity research earned her two Nobel Prizes in different sciences and laid the groundwork for medical applications still used today. (Correct answer)
- Marie Curie is famous for being the first woman to win a Nobel Prize, which she received for her work in physics.
- Curie's discoveries in chemistry were more important than her physics research because they helped treat cancer.
- The Nobel Committee awarded Marie Curie two prizes after she invented X-ray machines used in hospitals.
Correct answer: Marie Curie's pioneering radioactivity research earned her two Nobel Prizes in different sciences and laid the groundwork for medical applications still used today.
Option A correctly notes the dual Nobel Prizes in different sciences and the lasting medical impact of her research, covering all main points.
Question 4: Water covers about 71% of Earth's surface, but only 3% of that water is fresh, and two-thirds of the fresh water is locked in glaciers and ice caps. This means that less than 1% of all water on Earth is readily accessible for human use. Which sentence best paraphrases the final sentence?
- Fewer than one in every hundred parts of Earth's total water supply is actually available for people to use. (Correct answer)
- Humans can access most of Earth's water because rivers and lakes cover a large portion of the planet.
- Glaciers and ice caps contain most of Earth's water, so melting them would solve global water shortages.
- Fresh water makes up only 3% of Earth's water because the rest is too salty for human consumption.
Correct answer: Fewer than one in every hundred parts of Earth's total water supply is actually available for people to use.
Option A restates the final sentence's core message — less than 1% is accessible — using different phrasing without altering its meaning.
Question 5: Ancient Rome's legal system established many principles still found in modern law, including the presumption of innocence, the right to confront accusers, and the concept that laws should be written and publicly accessible. These innovations spread throughout Europe as Rome expanded. Which is the best summary?
- Rome's legal innovations — such as presumed innocence, the right to face accusers, and public written laws — form the basis of many modern legal systems and spread with Roman expansion. (Correct answer)
- Roman law was the most advanced legal system in the ancient world and has never been improved upon since.
- Modern judges and lawyers study Roman law in law school because it is required by most bar associations.
- The Roman Empire expanded across Europe primarily to spread its legal system to conquered peoples.
Correct answer: Rome's legal innovations — such as presumed innocence, the right to face accusers, and public written laws — form the basis of many modern legal systems and spread with Roman expansion.
Option A lists the specific legal principles, notes their modern relevance, and explains how they spread — covering all key points of the passage.
Question 6: Exercise increases the production of brain-derived neurotrophic factor (BDNF), a protein that promotes the growth of new neurons and strengthens existing neural connections. Regular physical activity is therefore linked to improved memory, sharper focus, and a reduced risk of cognitive decline. Which option most accurately paraphrases the passage?
- Physical activity boosts BDNF, a protein that builds new brain cells and reinforces neural pathways, leading to better memory, concentration, and protection against cognitive aging. (Correct answer)
- Taking BDNF supplements is as effective as exercise for improving memory and reducing the risk of dementia.
- Scientists have found that mental exercise is more beneficial for brain health than physical exercise.
- BDNF is a hormone released during sleep that repairs neural damage caused by daily stress and aging.
Correct answer: Physical activity boosts BDNF, a protein that builds new brain cells and reinforces neural pathways, leading to better memory, concentration, and protection against cognitive aging.
Option A correctly restates BDNF's role, its neural effects, and the three cognitive benefits, paraphrasing both sentences accurately.
Question 7: The Black Death, which swept Europe from 1347 to 1351, killed an estimated one-third of the continent's population. The catastrophic loss of life disrupted feudal labor systems and, paradoxically, improved the economic bargaining power of surviving peasants. What is the best summary of this passage?
- The Black Death wiped out about a third of Europe's population, and while devastating, it unintentionally strengthened the economic position of the peasants who survived. (Correct answer)
- The Black Death was caused by poor sanitation in European cities and could have been prevented with basic hygiene.
- Feudal lords took advantage of the Black Death to reduce the wages of peasants who needed work to survive.
- The Black Death ended the feudal system in Europe almost overnight by killing most of the nobility.
Correct answer: The Black Death wiped out about a third of Europe's population, and while devastating, it unintentionally strengthened the economic position of the peasants who survived.
Option A captures both the scale of death and the counterintuitive economic consequence for surviving peasants — the passage's two main ideas.
Reading Comprehension Summarizing and Paraphrasing 3
Deforestation in the Amazon rainforest threatens biodiversity, disrupts water cycles, and contributes to climate change by releasing stored carbon.
Indigenous communities who depend on the forest for food, medicine, and culture face displacement as trees are cleared for agriculture and cattle ranching.
Which sentence best summarizes the passage?