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1. What is a black hole?
- A dense star
- A giant planet
- A region in space with strong gravity from which nothing can escape
- A type of nebula
2. Who first predicted the existence of black holes?
- A type of nebula
- Albert Einstein
- Stephen Hawking
- Galileo Galilei
3. What theory is black hole formation based on?
- Quantum Mechanics
- Newton’s Law
- General Theory of Relativity
- Theory
4. What lies at the center of a black hole?
- Dark matter
- Neutron star
- Singularity
- Wormhole
5. What is the boundary of a black hole called?
- Black ring
- Event horizon
- Gravitational shell
- Photon sphere
6. How many main types of black holes are there?
7. Which of the following is NOT a type of black hole?
- Stellar
- Supermassive
- Primordial
- Solar
8. What type of black hole is formed by the collapse of a massive star?
- Mini black hole
- Stellar black hole
- Supermassive black hole
- White hole
9. Where are supermassive black holes usually found?
- In space clouds
- At the center of galaxies
- At the edge of the universe
- Inside stars
10. Which galaxy is known to host the supermassive black hole Sagittarius A*?
- Andromeda
- Sombrero Galaxy
- Milky Way
- Whirlpool Galaxy
11. What can escape a black hole?
- Light
- Sound
- Matter
- Nothing
12. What is “Hawking Radiation”?
- Theoretical radiation emitted by black holes
- Light from stars falling into a black hole
- Heat generated by black holes
- Waves created by spinning black holes
13. What happens to time near a black hole?
- It slows down
- It stops
- It speeds up
- It disappears
14. What does a black hole do to space-time?
- Flattens it
- Has no effect
- Distorts and curves it
- Erases it
15. Which tool is primarily used to detect black holes?
- Thermometers
- Telescopes detecting X-rays and gravitational waves
- Radiowaves
- Radar
16. What discovery in 2019 provided the first image of a black hole?
- Event Horizon Telescope
- James Webb Telescope
- Hubble Space Telescope
- Voyager Probe
17. What is spaghettification?
- Compression of black holes
- Stretching of matter near black holes due to gravity
- Folding of time
- Absorption of galaxies
18. Which black hole merger was first detected via gravitational waves in 2015?
- Sagittarius A* collision
- GW150914
- Andromeda-Sirius event
- M87 Eruption
19. What concept opposes the idea of a black hole?
- Dark energy
- White hole
- Wormhole
- Red giant
20. What is the ultimate fate of a black hole according to Hawking?
- It expands forever
- It evaporates over time through Hawking radiation
- It becomes a neutron star
- It turns into dark matter
