Digital ACT Practice Questions
Access 905 official-caliber practice questions. Filter by subject or difficulty to pinpoint your cognitive blind spots.
Choose the best option for the underlined portion: The endangered amphibian is an obligate vernal pool breeder. In other words, it cannot successfully reproduce...
Choose the best option for the underlined portion: The architect who's sustainable timber skyscraper won international acclaim visited our campus yesterday....
[1] In the mid-19th century, John Snow investigated a deadly cholera outbreak in London. [2] He mapped the residential locations of all reported victims across ...
Choose the best option for the underlined portion: The robotics team calibrated the optical sensors, and then tested the autonomous rover in the obstacle arena....
Choose the best option for the underlined portion: At the present point in time, astrophysicists have cataloged over five thousand confirmed exoplanets....
Choose the best option for the underlined portion: Neither the senior civil engineer nor the municipal project managers was convinced that the suspension bridge...
Choose the best option for the underlined portion: Ocean acidification could fundamentally effect marine calcifiers, dissolving the fragile shells of larval oys...
Choose the best option for the underlined portion: The computational simulation required seventy-two hours of supercomputer processing; consequently, the resear...
Choose the best option for the underlined portion: If anyone in the experimental cohort experiences severe dizziness, they should report symptoms to the clinica...
Choose the best option for the underlined portion: The medieval manuscript suffered water damage during the museum fire. Regardless, conservators managed to sta...
Choose the best option for the underlined portion: In the event that the pressure relief valve fails, the secondary backup shutoff activates instantly....
Choose the best option for the underlined portion: To ensure optimal aerodynamic performance, the carbon-fiber fuselage was meticulously wind-tunnel tested by a...
Choose the best option for the underlined portion: If the software patch introduces unforeseen bugs, the database will revert back to its previous stable config...
Choose the best option for the underlined portion: The particle accelerator—a seventeen-mile subterranean ring straddling the French-Swiss border—has provided p...
Choose the best option for the underlined portion: The blue whale produces louder low-frequency vocalizations than any animal in the marine biome....
Choose the best option for the underlined portion: The award-winning novel, Sing, Unburied, Sing, was written by Jesmyn Ward....
Choose the best option for the underlined portion: Him and his research partner spent three seasons surveying alpine butterfly populations in the Sierra Nevada....
Choose the best option for the underlined portion: The concrete mixture contained an optimal ratio of fly ash and slag. In contrast, the cured foundation exhibi...
Choose the best option for the underlined portion: With volcanic tremors intensifying and ash plumes rising rapidly, an eruption was eminent....
Choose the best option for the underlined portion: In her Nobel lecture, the geneticist offered an enduring observation, 'Science knows no country, because know...
Choose the best option for the underlined portion: The wilderness expedition leader taught participants how to pitch tents, navigate by compass, and purifying r...
Choose the best option for the underlined portion: The solar eclipse festival is an annual celebration that occurs every year in early spring....
Choose the best option for the underlined portion: The hydro-dam engineers released thousands of cubic feet of water from the reservoir spillway, this prevented...
Choose the best option for the underlined portion: Many indigenous farming communities developed sustainable irrigation systems centuries before industrial agri...
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