Exercises
Test your knowledge with multiple-choice quizzes that explain every answer. Filter by category, subcategory or topic, or search by title.
Test your knowledge of contemporary global literature, from Murakami and Adichie to Ishiguro, Lahiri, Coelho, and more.
Start exercisesTest your knowledge of Gothic fiction, from Walpole and Shelley to Dracula, haunted castles, dark themes, and classic novels.
Start exercisesTest your knowledge of ancient Roman literature, from Virgil and Ovid to Horace, Lucretius, Plautus, and Lucan.
Start exercisesTest your knowledge of Classical Greek literature, from Homer and Greek tragedy to Plato’s Republic, mythology, and major themes.
Start exercisesTest your knowledge of Victorian literature with questions on Dickens, the Brontës, Hardy, Eliot, Tennyson, and classic novels.
Start exercisesTest your knowledge of corporate economic strategies, inflation, interest rates, trade, diversification, market structures, and fiscal policy.
Start exercisesTest your knowledge of business finance, budgeting, economic strategies, capital structure, SWOT analysis, inflation, and financial statements.
Start exercisesTest your knowledge of business economics, spending management, inflation, cost control, recession strategy, and long-term growth.
Start exercisesTest your business economics knowledge with questions on inflation, GDP, opportunity cost, market equilibrium, elasticity, and economies of scale.
Start exercisesTest your knowledge of business economy management, financial analysis, opportunity cost, market research, sustainability, and strategic planning.
Start exercisesTest advanced business economics knowledge with questions on fiscal policy, opportunity cost, market structures, elasticity, investment, and externalities.
Start exercisesTest your introductory astrophysics knowledge on stars, galaxies, black holes, planets, eclipses, redshift, and the Big Bang.
Start exercisesTest your general relativity knowledge: Einstein, spacetime curvature, gravity, time dilation, light bending, black holes and gravitational waves.
Start exercisesTest your thermodynamics knowledge with questions on the laws of thermodynamics, entropy, energy, heat, work, and thermodynamic systems.
Start exercisesTest your particle physics knowledge with questions on the Standard Model, Higgs boson, antimatter, fundamental forces, fermions and quantum phenomena.
Start exercisesTest your introduction to optics knowledge with questions on refraction, lenses, mirrors, light wavelengths, rainbows, optical fibers, and the eye.
Start exercisesTest your quantum mechanics knowledge with questions on uncertainty, wave functions, tunneling, superposition, entanglement, and fermions.
Start exercisesTest your understanding of chemical reactions, including decomposition, combustion, catalysts, balanced equations, and endothermic reactions.
Start exercisesTest your chemistry knowledge of the periodic table, elements, atomic numbers, electronegativity, metals, noble gases, and real-world uses.
Start exercisesTest your knowledge of introductory analytical chemistry, including titrations, chromatography, spectrophotometry, qualitative and quantitative analysis.
Start exercisesThousands of online courses in video, ebooks and audiobooks.
To test your knowledge during online courses
Generated directly from your cell phone's photo gallery and sent to your email
Download our app via QR Code or the links below:.
Carry knowledge in your pocket.
Download the Cursa app.
There are hundreds of free courses available, with a free certificate of completion that is saved in your mobile image gallery.
Download the app to access the Course Completion Certificate for Free.
+ 10 million
students
Free and Valid
Certificate
60 thousand free
exercises
4.8/5 rating in
app stores
Free courses in
video and ebooks