IOLEBA
🧠 How to Play the IOLEBA Weekly Trivia Challenge
Each question is worth points based on difficulty (100–500). Read the question, say your answer out loud, then click Reveal Answer to check yourself. If you were right, click Right to add points to the scoreboard; if not, click Wrong to subtract points. Tip: If you have no idea, it’s often smarter to skip the question and protect your score. For team play, take turns answering or agree on an answer before revealing — track your total score and challenge another team or try to beat last week’s high score.
Your IOLEBA Weekly Challenge Score
Meet your challenge this week — track your total points across all 5 categories.
0 points
Challenge a partner or compete as a team — highest score wins!
Download My ScorecardIOLEBA Weekly Mega Quiz - Row 100
Inventions That Changed the World - Brain and Psychology - Corporate Strategy and Monopoly Power - Philosophy and Thinkers - Astrophysics Concepts - WC26-15
Inventions (100): What invention is Johannes Gutenberg best known for improving in Europe?
Answer: The printing press.
Brain and Psychology (100): Which organ controls thoughts, memory, and movement?
Answer: The brain.
Corporate Strategy (100): What is the term for a business that controls nearly all sales in a market?
Answer: A monopoly.
Philosophy (100): Which ancient Greek philosopher taught Plato?
Answer: Socrates.
Astrophysics (100): What force keeps planets in orbit around the Sun?
Answer: Gravity.
IOLEBA Weekly Mega Quiz - Row 200
Inventions That Changed the World - Brain and Psychology - Corporate Strategy and Monopoly Power - Philosophy and Thinkers - Astrophysics Concepts - WC26-15
Inventions (200): Who is credited with inventing the telephone?
Answer: Alexander Graham Bell.
Brain and Psychology (200): What is the term for the brain’s ability to reorganize itself by forming new neural connections?
Answer: Neuroplasticity.
Corporate Strategy (200): What is the term for a company merging with or acquiring competitors in the same industry?
Answer: Horizontal integration.
Philosophy (200): Which philosopher wrote The Republic?
Answer: Plato.
Astrophysics (200): What is the name of the galaxy that contains our solar system?
Answer: The Milky Way.
IOLEBA Weekly Mega Quiz - Row 300
Inventions That Changed the World - Brain and Psychology - Corporate Strategy and Monopoly Power - Philosophy and Thinkers - Astrophysics Concepts - WC26-15
Inventions (300): What invention by James Watt significantly improved the efficiency of steam engines during the Industrial Revolution?
Answer: The improved steam engine (separate condenser design).
Brain and Psychology (300): What part of the brain is primarily responsible for decision-making and impulse control?
Answer: The prefrontal cortex.
Corporate Strategy (300): What is the term for a company controlling its supply chain, from production to distribution?
Answer: Vertical integration.
Philosophy (300): Which philosopher is known for the statement "I think, therefore I am"?
Answer: Rene Descartes.
Astrophysics (300): What is the name of the phenomenon where light bends as it passes near a massive object due to gravity?
Answer: Gravitational lensing.
IOLEBA Weekly Mega Quiz - Row 400
Inventions That Changed the World - Brain and Psychology - Corporate Strategy and Monopoly Power - Philosophy and Thinkers - Astrophysics Concepts - WC26-15
Inventions (400): What 19th century inventor is closely associated with practical electric light and the phonograph?
Answer: Thomas Edison.
Brain and Psychology (400): What neurotransmitter is strongly associated with reward, motivation, and reinforcement learning?
Answer: Dopamine.
Corporate Strategy (400): What antitrust term describes a market dominated by a small number of powerful firms?
Answer: Oligopoly.
Philosophy (400): Which philosopher wrote Thus Spoke Zarathustra and developed the idea of the Ubermensch?
Answer: Friedrich Nietzsche.
Astrophysics (400): What is the name of the theoretical boundary around a black hole beyond which nothing can escape?
Answer: The event horizon.
IOLEBA Weekly Mega Quiz - Row 500
Inventions That Changed the World - Brain and Psychology - Corporate Strategy and Monopoly Power - Philosophy and Thinkers - Astrophysics Concepts - WC26-15
Inventions (500): Which inventor is credited with developing the alternating current induction motor and became a central figure in the "War of Currents"?
Answer: Nikola Tesla.
Brain and Psychology (500): What structure of the brain is most associated with forming new long-term memories?
Answer: The hippocampus.
Corporate Strategy (500): What legal term describes actions by a firm intended to drive competitors out of the market through below-cost pricing?
Answer: Predatory pricing.
Philosophy (500): Which philosopher wrote Being and Time?
Answer: Martin Heidegger.
Astrophysics (500): What is the name of the theoretical limit beyond which a white dwarf star can no longer support itself against gravitational collapse?
Answer: The Chandrasekhar limit.
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