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← Digital SAT English (Reading and Writing)

TARGETED PRACTICE

Digital SAT English (Reading and Writing) practice

Choose a skill, attempt the question, and use the answer review to decide what to practise next.

Domain Topic Subtopic Response type Difficulty Question pool My progress

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Multiple choice · Easy

Information and Ideas · Central Ideas and Details · Main idea

The monarch butterfly's yearly journey spans thousands of miles, from Canada to central Mexico. No single butterfly completes the full round trip; instead, it takes three or four generations to finish the cycle, with each generation flying a portion of the route before laying eggs and dying.

Which choice best states the main idea of the text?

AMonarch butterflies migrate from Mexico to Canada every year.BA single generation of monarch butterflies completes the entire migration.CThe monarch migration is a multigenerational relay rather than one butterfly's journey.DMonarch butterflies lay eggs only in central Mexico.

Multiple choice · Easy

Information and Ideas · Central Ideas and Details · Main idea

Public libraries in the nineteenth century were often funded by wealthy donors who believed that free access to books would improve the moral character of working-class readers. Andrew Carnegie alone funded more than 2,500 libraries worldwide between 1883 and 1929.

Which choice best states the main idea of the text?

AMany nineteenth-century public libraries were built with donor funding tied to beliefs about self-improvement.BAndrew Carnegie was the only donor who funded public libraries.CWorking-class readers rejected free library access.DLibraries were funded exclusively by government taxes in the nineteenth century.

Multiple choice · Easy

Information and Ideas · Central Ideas and Details · Main idea

Bioluminescent fungi, found in over 80 species worldwide, produce a faint greenish glow through a chemical reaction involving an enzyme called luciferase. Scientists believe the glow may attract insects that help disperse the fungus's spores.

Which choice best states the main idea of the text?

ABioluminescent fungi may glow in order to attract insects that spread their spores.BAll fungi produce a greenish glow.CLuciferase is found only in fungi.DInsects are harmed by the glow produced by fungi.

Multiple choice · Easy

Information and Ideas · Central Ideas and Details · Main idea

The Icelandic sheepdog, one of the world's oldest dog breeds, was brought to Iceland by Norse settlers more than a thousand years ago and has changed little since, largely due to the island's geographic isolation.

Which choice best states the main idea of the text?

AThe Icelandic sheepdog was bred recently for herding competitions.BGeographic isolation helped the Icelandic sheepdog remain largely unchanged for over a thousand years.CNorse settlers first encountered the breed already living in Iceland.DThe breed has changed dramatically over the last century.

Multiple choice · Easy

Information and Ideas · Central Ideas and Details · Main idea

The Antarctic icefish is the only known vertebrate without red blood cells, relying instead on oxygen dissolved directly in its blood plasma. Scientists believe this adaptation evolved because the frigid Southern Ocean holds far more dissolved oxygen than warmer waters.

Which choice best states the main idea of the text?

AThe Antarctic icefish likely evolved to survive without red blood cells because its cold habitat provides enough dissolved oxygen.BAll fish lack red blood cells.CThe Southern Ocean holds less oxygen than warmer waters.DIcefish evolved red blood cells to survive in warm water.

Multiple choice · Easy

Information and Ideas · Central Ideas and Details · Main idea

Venice's canal system, built over centuries on a lagoon of small islands, was originally a defensive advantage against land invasions, though it has since become better known as a tourist attraction than a military asset.

Which choice best states the main idea of the text?

AVenice was built specifically to attract tourists.BVenice's canals originally served a defensive purpose, though today they are known mainly for tourism.CVenice has no islands.DMilitary use of the canals continues today.

Multiple choice · Easy

Information and Ideas · Central Ideas and Details · Main idea

Beekeepers in the Alps have long moved their hives to higher pastures each summer, following the bloom of wildflowers as it shifts upslope with the warming season. This transhumance produces a lighter, more floral honey than hives left in the valley all year.

Which choice best states the main idea of the text?

AAlpine beekeepers move hives upslope to follow blooming wildflowers, yielding a distinctive honey.BValley honey is always better than mountain honey.CWildflowers bloom only in the Alps.DBeekeepers stopped moving hives once roads improved.

Multiple choice · Easy

Information and Ideas · Central Ideas and Details · Main idea

The city of Curitiba, Brazil, redesigned its bus system in the 1970s with dedicated lanes and raised boarding tubes that let passengers pay before boarding, cutting loading times dramatically without building an expensive subway.

Which choice best states the main idea of the text?

ACuritiba built a subway in the 1970s.BCuritiba improved bus service through low-cost design changes rather than building a subway.CBus systems are always cheaper than subways everywhere.DPassengers in Curitiba pay after boarding.

Multiple choice · Easy

Information and Ideas · Central Ideas and Details · Main idea

The mimic octopus can rearrange its body and coloring to imitate more than a dozen other sea creatures, including flatfish and sea snakes, apparently to confuse predators that would otherwise attack it.

Which choice best states the main idea of the text?

AThe mimic octopus imitates other sea creatures to avoid being attacked by predators.BThe mimic octopus is the largest species of octopus.CPredators never attack octopuses of any kind.DThe mimic octopus can only imitate flatfish.

Multiple choice · Easy

Information and Ideas · Central Ideas and Details · Main idea

When a small Japanese town lost most of its young population to city migration, elderly residents began knitting life-sized scarecrows dressed as former neighbors and placing them throughout the village, turning depopulation into an unlikely tourist attraction.

Which choice best states the main idea of the text?

AThe town banned all scarecrows after complaints from tourists.BResidents of a depopulated town created scarecrows that unexpectedly drew tourists.CYoung people returned to the town because of the scarecrows.DThe scarecrows were built to scare away wildlife.