Digital SAT Practice Questions

Neuroscientist Dr. Diane Morales hypothesized that chronic sleep disruption reduces hippocampal dendritic spine density and impairs spatial memory. Which findin...

Botanist Dr. Henrik Lindqvist hypothesized that boreal spruce trees synchronize seed production across thousands of miles via volatile airborne pheromones. Whic...

Geneticist Dr. Chen Wei hypothesized that epigenetic methylation marks induced by famine are inherited across multiple generations in rodents. Which finding, if...

Economist Dr. Clara Sterling hypothesized that universal school breakfast programs improve elementary standardized mathematics scores. Which finding, if true, w...

Environmental scientist Dr. Paul Hansen hypothesized that constructed floating wetlands effectively absorb heavy metal pollutants from urban stormwater runoff. ...

Entomologist Dr. Valerie Gomez hypothesized that bumblebee buzz pollination vibrates anthers at specific resonant frequencies to dislodge pollen. Which finding,...

Sociologist Dr. Raymond Patel hypothesized that community gardens reduce neighborhood property crime rates through increased eyes-on-the-street surveillance. Wh...

Hydrogeologist Dr. Megan Ross hypothesized that deep volcanic basalt aquifers naturally neutralize acidic rainfall through rapid mineral weathering. Which findi...

Ethologist Dr. Benjamin Clark hypothesized that octopus play behavior with floating toys indicates surplus cognitive capacity beyond survival instincts. Which f...

Microbiologist Dr. Andrea Becker hypothesized that soil bacteriophages maintain microbial diversity by preventing any single bacterial strain from dominating. W...

Astrophysicist Dr. Laura Rossi hypothesized that tidal heating from Jupiter maintains a liquid subsurface ocean beneath Europa's frozen crust. Which finding, if...

Paleoclimatologist Dr. Steven Vance hypothesized that Saharan dust storms provide crucial iron fertilizing oceanic plankton blooms in the Caribbean. Which findi...

Ecologist Dr. Hannah Tanaka hypothesized that reintroducing apex wolves reduces riverbank soil erosion by curbing overgrazing by deer. Which finding, if true, w...

Materials scientist Dr. Daniel Evans hypothesized that nanocellulose fibers derived from wood pulp offer lightweight structural strength exceeding carbon fiber....

Behavioral economist Dr. Karen Liu hypothesized that default opt-in retirement contribution policies double employee savings rates compared to opt-out. Which fi...

Virologist Dr. Nathan Price hypothesized that mRNA vaccines elicit robust T-cell cellular memory alongside circulating neutralising antibodies. Which finding, i...

Urban geographer Dr. Robert Kelly hypothesized that replacing impervious concrete with permeable pavers eliminates urban flash flooding during cloudbursts. Whic...

Biophysicist Dr. Chloe Bennett hypothesized that spider web spiraling geometry dissipates kinetic impact energy through controlled plastic thread deformation. W...

Geologist Dr. Martin Wu hypothesized that hydraulic fracturing fluid injection induces slip along previously unmapped ancient basement faults. Which finding, if...

Marine scientist Dr. Sean Davies hypothesized that deep-sea coral reefs in cold fjords build calcium carbonate skeletons without symbiotic zooxanthellae. Which ...

Cognitive psychologist Dr. Rachel Kim hypothesized that mindfulness meditation enhances attention switching by strengthening frontoparietal neural pathways. Whi...

Agronomist Dr. Thomas Green hypothesized that drip fertigation reduces greenhouse gas emissions by preventing soil anaerobic denitrification pockets. Which find...

Archaeologist Dr. Elena Vane hypothesized that ancient Mesoamerican ballgames served diplomatic treaty functions between warring city-states. Which finding, if ...

Paleontologist Dr. Ian Malcolm hypothesized that theropod dinosaurs possessed respiratory air sacs that enabled hyper-efficient unidirectional lung airflow. Whi...