Main idea - Ultra SAT Prep

Verbal Quiz - Main idea / main purpose

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1. Charles Robert Darwin, an English naturalist and geologist, is best known for his groundbreaking theory of evolution through natural selection. In his seminal work, 'On the Origin of Species,' Darwin proposed that the intricate diversity of life on Earth was primarily driven by natural selection, in which organisms better suited to their environment had a higher likelihood of survival and reproduction. This theory, though controversial at the time, has become a fundamental principle of modern biology, shaping our understanding of the natural world and the interconnectedness of all living organisms.

Which choice best states the main purpose of the text?

a) To present a detailed biography of Charles Darwin and his personal life

b) To outline Charles Darwin's theory of evolution through natural selection and its importance to modern biology

c) To discuss the controversies surrounding the publication of 'On the Origin of Species'

d) To compare and contrast the theories of Charles Darwin with those of his contemporaries

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2. In 1960, American marine biologist and conservationist Rachel Carson began researching the effects of synthetic pesticides on the environment. Her work culminated in the publication of her landmark book, 'Silent Spring,' in 1962. The book exposed the detrimental effects of widely-used pesticides, such as DDT, on the environment and human health, leading to a public outcry and eventually the establishment of the Environmental Protection Agency (EPA) in the United States. 'Silent Spring' is considered a critical turning point in the modern environmental movement, as it inspired people worldwide to question the impact of human activities on the planet.

Which choice best states the main purpose of the text?

a) To emphasize the importance of Rachel Carson's 'Silent Spring' in shaping the modern environmental movement and the establishment of the EPA

b) To focus on the personal life and career of Rachel Carson

c) To recount the various controversies surrounding the publication of 'Silent Spring'

d) To delve into the specific scientific findings presented in 'Silent Spring'

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3. In 2010, Instagram was launched as a photo-sharing app that allowed users to take pictures, apply digital filters, and share them on various social media platforms. Created by Kevin Systrom and Mike Krieger, Instagram quickly gained popularity, and by the end of its first week, it had garnered over 100,000 users. The app's success caught the attention of Facebook, which acquired Instagram in 2012 for $1 billion in cash and stock. Since then, Instagram has continued to evolve, with new features such as Stories, IGTV, and Reels, all of which have prompted further user engagement and growth.

Which choice best states the main idea of the text?

a) To emphasize the negative effects of Instagram on mental health and social interaction

b) To outline the creation and development of Instagram as a popular photo-sharing app and its acquisition by Facebook

c) To discuss Instagram's influence on the world of photography and visual communication

d) To predict the future decline of Instagram as a social media platform

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4. The clock struck midnight, and alone she sat Transfixed by the melody of fading stars - A bittersweet symphony that rang through her heart, Stirring memories woven in a tapestry of midnight hues. Which choice best states the main purpose of the text?

a) To express the speaker's introspection and emotions evoked by the midnight hour

b) To recount a story of a celestial dance at the strike of midnight

c) To argue for the scientific importance of studying stars

d) To present the psychological effects of insomnia

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5. The Large Hadron Collider (LHC), built by the European Organization for Nuclear Research (CERN) and located at the border of France and Switzerland, was inaugurated in 2008. The LHC functions as a high-energy particle accelerator, allowing physicists to study the properties and interactions of subatomic particles. One of the most significant discoveries of the LHC occurred in 2012 when scientists announced the detection of the long-theorized Higgs boson, a subatomic particle believed to be responsible for the property of mass in other particles. The discovery of the Higgs boson has played a crucial role in expanding our understanding of the fundamental principles of the universe.

Which choice best states the main purpose of the text?

a) To discuss the complex engineering involved in constructing the Large Hadron Collider

b) To debate whether the discovery of the Higgs boson is truly groundbreaking

c) To describe the various experiments conducted at the Large Hadron Collider in detail

d) To introduce the Large Hadron Collider and its role in the discovery of the Higgs boson, deepening our understanding of the universe

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