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AP English Language and Composition Practice Quiz: Choosing evidence that strengthens the line of reasoning

Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026

Test your understanding with short quizzes. This quiz has 11 questions to check your progress.

Question 1 of 11

A writer makes the following claim: 'The widespread adoption of electric vehicles (EVs) is crucial for reducing urban air pollution.' Which of the following pieces of evidence most directly supports this claim?

All Questions (11)

A writer makes the following claim: 'The widespread adoption of electric vehicles (EVs) is crucial for reducing urban air pollution.' Which of the following pieces of evidence most directly supports this claim?

A) A report showing that EVs are often more expensive to purchase than gasoline-powered cars.

B) An article explaining the complex process of manufacturing EV batteries.

C) A scientific study indicating that gasoline-powered vehicles are a major source of nitrogen oxides and particulate matter in cities, while EVs produce zero tailpipe emissions.

D) A consumer survey revealing that the most popular color for EVs is white.

Correct Answer: C

This option directly connects the two key parts of the claim: urban air pollution (nitrogen oxides, particulate matter) and the solution (EVs produce zero tailpipe emissions). Option A is a counterargument about cost, B is related but doesn't address the effect on pollution, and D is irrelevant.

An argumentative essay begins with the thesis: 'Public libraries are no longer just repositories for books; they have evolved into essential community hubs that provide vital social and technological services.' Which piece of evidence would most effectively strengthen this line of reasoning?

A) A historical account of the founding of the first public library in the United States.

B) A statistic from a national survey showing that libraries now offer services such as free high-speed internet access, job application assistance, and community workshops, which are used by millions of people annually.

C) An anecdote from a librarian about the challenges of keeping books properly shelved and cataloged.

D) A list of the most frequently checked-out book titles from the past year.

Correct Answer: B

The claim is about the evolution of libraries into community hubs offering social and technological services. The statistic in option B provides broad, quantitative evidence that directly supports this specific claim by listing the exact types of new services and indicating their widespread use. Options A, C, and D all relate to the traditional function of libraries as book repositories, which the thesis claims they have moved beyond.

A historian argues: 'The primary factor leading to the Industrial Revolution in Great Britain was the unique combination of abundant natural resources and a favorable political climate that encouraged innovation.' The historian has already provided evidence about Britain's coal and iron deposits. Which additional piece of evidence would best strengthen the 'favorable political climate' aspect of the argument?

A) A map showing the locations of major factories in Britain during the 18th century.

B) A description of the living conditions of factory workers in industrial cities like Manchester.

C) An analysis of the British patent system of the 18th century, which legally protected inventors' rights and financially incentivized new creations.

D) A biography of James Watt, the inventor of the modern steam engine.

Correct Answer: C

The line of reasoning requires evidence for both 'natural resources' and a 'favorable political climate.' The question states that evidence for resources has been given. Option C directly addresses the 'favorable political climate' by explaining a specific government institution (the patent system) that actively encouraged the innovation central to the Industrial Revolution. Options A and B are effects of industrialization, not causes, and D is a specific example of an inventor, not evidence of the broader political climate.

A student is writing a paper with the claim: 'Despite its intention to create a meritocracy, the modern standardized testing system for college admissions often perpetuates existing socioeconomic inequalities.' Which of the following pieces of evidence would most effectively address a potential counterargument that 'standardized tests are objective measures of academic readiness'?

A) A statement from a university admissions officer explaining that they consider many factors beyond test scores.

B) A study demonstrating a strong statistical correlation between family income levels and average scores on standardized tests, largely due to access to expensive test preparation resources.

C) A historical overview of the development of the first standardized tests in the early 20th century.

D) An anecdote from a student who performed poorly on a standardized test but excelled in college.

Correct Answer: B

The counterargument is that tests are objective. Option B directly refutes this by showing that test outcomes are not purely objective measures of merit but are significantly influenced by a non-academic factor: socioeconomic status (family income and access to resources). This strengthens the original claim by preemptively dismantling a key opposition point. Option A supports the claim but doesn't refute the counterargument about the tests themselves. Option C is historical context, and D is anecdotal and less powerful than broad statistical data.

A researcher claims that a new agricultural fertilizer significantly increases crop yield compared to traditional methods. To strengthen this line of reasoning with the most credible evidence, which source should the researcher cite?

A) A marketing brochure from the company that produces the new fertilizer.

B) Testimonials from a few farmers who have started using the new fertilizer.

C) A peer-reviewed article in an agricultural science journal detailing a multi-year, controlled study of the fertilizer's effects on various crops.

D) A news report in which a journalist interviews the CEO of the fertilizer company.

Correct Answer: C

Credibility is key to strengthening an argument. A peer-reviewed scientific journal (C) represents the highest standard of evidence because it has been vetted by other experts in the field and is based on a controlled, systematic study. The marketing brochure (A) and CEO interview (D) are biased sources. The testimonials (B) are anecdotal and may not be representative of the typical outcome.

Consider the following line of reasoning: 'The city's decision to invest in a new light rail system was a sound economic choice because it stimulated local business growth.' Which of the following, if true, would provide the strongest evidence to support this reasoning?

A) The new light rail system is popular with tourists visiting the city.

B) A survey conducted one year after the rail line opened shows a 30% increase in sales revenue for businesses located within two blocks of the new stations.

C) The construction of the light rail system created hundreds of temporary jobs.

D) Many residents have expressed that the light rail has made their commute more pleasant.

Correct Answer: B

The claim specifically links the light rail to 'local business growth.' Option B provides direct, quantitative evidence (a 30% increase in sales revenue) that establishes this exact link. While creating construction jobs (C) is an economic benefit, it doesn't support the specific claim about stimulating *local business* growth post-construction. Popularity with tourists (A) and pleasant commutes (D) are benefits, but they do not directly prove the economic impact on businesses as strongly as sales data.

A literary critic posits the following thesis: 'In F. Scott Fitzgerald's *The Great Gatsby*, the green light across the bay is not merely a symbol of Gatsby's love for Daisy, but a broader representation of the unattainable and ultimately illusory nature of the American Dream.' Which piece of textual evidence provides the most nuanced support for the *entire* thesis?

A) A quote where Gatsby tells Nick he can see Daisy's dock and its green light from his lawn.

B) The novel's closing lines, where Nick reflects on the green light as representing an 'orgastic future that year by year recedes before us,' connecting it to a universal, forward-striving but ultimately futile human hope.

C) A description of one of Gatsby's lavish parties, which are designed to attract Daisy's attention.

D) A passage where Daisy expresses her unhappiness with her life despite her immense wealth.

Correct Answer: B

The thesis has two parts: the green light as a symbol for Daisy, and its broader meaning as the illusory American Dream. Option B is the strongest evidence because it explicitly expands the symbol's meaning beyond Daisy to a universal, unattainable future ('orgastic future that...recedes before us'), directly supporting the second, more complex part of the thesis. Option A only supports the first part (love for Daisy). Options C and D are related to the themes but do not analyze the specific symbol of the green light.

An author is developing an argument that the rise of 'fast fashion' has significant negative environmental consequences. The author has already established that fast fashion encourages a 'throw-away' culture. Which of the following pieces of evidence would best connect this culture to a specific environmental consequence?

A) Statistics showing that the average consumer buys 60% more clothing items than they did 15 years ago.

B) An analysis of social media trends that promote buying new outfits for every occasion.

C) A report from an environmental agency detailing that textile production is a major polluter of freshwater sources and that discarded synthetic fabrics can take centuries to decompose in landfills.

D) Interviews with fashion designers who feel pressured to create new collections more frequently.

Correct Answer: C

The line of reasoning needs to connect the 'throw-away' culture to a tangible 'environmental consequence.' Option C provides this link directly by explaining what happens when textiles are produced (water pollution) and discarded (landfill issues). Option A supports the idea of a 'throw-away' culture but doesn't state the environmental effect. Options B and D explain the causes of fast fashion culture, not its environmental consequences.

An argument is presented as follows: 'The government's anti-smoking campaign, launched in 2010, has been highly effective. The campaign featured graphic warning labels on cigarette packages.' There is a logical gap in this reasoning. Which piece of evidence would best fill this gap and strengthen the argument?

A) A description of the specific graphic images used on the warning labels.

B) Data from the Treasury Department showing that tax revenue from cigarette sales has decreased every year since 2010.

C) A timeline of all public health initiatives launched by the government since 2000.

D) A statement from the head of the public health agency praising the campaign's creativity.

Correct Answer: B

The logical gap is the missing link between the campaign's existence and its claimed effectiveness. The argument needs to show a change in smoking behavior. A decrease in tax revenue from cigarette sales (B) is strong, indirect evidence that fewer cigarettes are being sold, which in turn suggests fewer people are smoking. This directly supports the claim of 'effectiveness.' Describing the labels (A) or praising the campaign (D) doesn't prove its effect. A timeline (C) is too broad and doesn't provide evidence of the specific campaign's impact.

A political scientist makes a complex claim: 'While populist movements often arise from legitimate economic grievances, their rhetoric typically redirects that anger towards minority groups or external threats, thereby fragmenting social cohesion without addressing the root economic problems.' Which piece of evidence would most comprehensively support this entire line of reasoning?

A) Economic data showing a decline in manufacturing jobs in a region just before a populist leader was elected.

B) A collection of speeches by a populist leader in which they consistently blame immigrants for national problems while rarely proposing detailed economic policies.

C) A survey showing that voters in a particular region are concerned about unemployment.

D) A sociological study concluding that social trust has declined in countries with strong populist movements.

Correct Answer: B

This is the strongest option because it addresses all parts of the complex claim. The speeches provide evidence for the 'rhetoric' that 'redirects anger towards minority groups' (blaming immigrants) while simultaneously showing a failure to 'address the root economic problems' (rarely proposing detailed economic policies). Option A only supports the 'economic grievances' part. Option C is similar to A. Option D supports the 'fragmenting social cohesion' part but doesn't connect it to the rhetoric or the economic cause.

A writer argues that a city should invest in more public green spaces, such as parks and gardens. The writer's line of reasoning is that such spaces improve the mental and physical well-being of residents. Which of the following is the most relevant and specific piece of evidence to strengthen this reasoning?

A) A study showing that property values tend to be higher for homes located near parks.

B) A report by urban planners that lists the most beautiful city parks in the world.

C) A public health journal article that correlates increased access to public green spaces with lower rates of stress, anxiety, and obesity in urban populations.

D) A city budget report showing that park maintenance is a significant annual expense.

Correct Answer: C

The argument's core is the link between green spaces and 'mental and physical well-being.' Option C provides direct, specific, and credible evidence from a public health journal that establishes this exact correlation (lower stress, anxiety, obesity). Option A focuses on an economic benefit (property values), not health. Option B is subjective and irrelevant to resident well-being. Option D presents a counterargument about cost, which weakens rather than strengthens the reasoning.