Section A: The Universe and its Phenomena

1. What is the “Big Bang Theory” primarily associated with?
   • (a) Continental Drift
   • (b) Origin of the Universe
   • (c) Formation of the Himalayas
   • (d) Volcanic Eruption
     Answer: (b)
2. The Milky Way galaxy is classified as a:
   • (a) Spiral Galaxy
   • (b) Electrical Galaxy
   • (c) Irregular Galaxy
   • (d) Round Galaxy
     Answer: (a)
3. Approximately how long does the Sun take to complete one revolution around the center of the Milky Way galaxy?
   • (a) 25 million years
   • (b) 100 million years
   • (c) 250 million years
   • (d) 500 million years
     Answer: (c)
4. The color of a star primarily indicates its:
   • (a) Distance from the Sun
   • (b) Brightness
   • (c) Distance from Earth
   • (d) Temperature
     Answer: (d)
5. The limit beyond which a star undergoes gravitational collapse is called the:
   • (a) Chandrasekhar Limit
   • (b) Eddington Limit
   • (c) Hoyle Limit
   • (d) Fowler Limit
     Answer: (a)
6. The terms “Event Horizon”, “Singularity”, “String Theory”, and “Standard Model” are commonly discussed in relation to:
   • (a) The structure and origin of the universe
   • (b) Solar and lunar eclipses
   • (c) Launching satellites into Earth’s orbit
   • (d) Evolution of life on Earth
     Answer: (a)
7. A ‘Supernova’ refers to:
   • (a) An asteroid
   • (b) A black hole
   • (c) A comet
   • (d) A dying star
     Answer: (d)

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Section B: Astronomy and Celestial Bodies

8. How many constellations are officially recognized in the night sky?
   • (a) 87
   • (b) 88
   • (c) 89
   • (d) 90
     Answer: (b)
9. Which of the following is not found in outer space?
   • (a) Pulsar
   • (b) Brittle Star
   • (c) Black Hole
   • (d) Quasar
     Answer: (b)
10. The Hubble Space Telescope recently captured the surface of which distant star in detail?

• (a) Virgo
• (b) 70 Virgins
• (c) Betelgeuse
• (d) Big Dipper
  Answer: (c)

11. What is the standard unit used to measure distances between stars?

• (a) Stellar Mile
• (b) Cosmic Kilometer
• (c) Galactic Unit
• (d) Light Year
  Answer: (d)

12. Which group of stars is used to identify the direction of the North Pole?

• (a) Saptarishi (Ursa Major)
• (b) Mrig
• (c) Scorpio
• (d) Taurus
  Answer: (a)

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Section C: The Solar System

13. Which of the following is not a part of our solar system?

• (a) Asteroids
• (b) Comets
• (c) Planets
• (d) Nebula
  Answer: (d)

14. Who was the first to propose that the Sun is at the center of the solar system and Earth revolves around it?

• (a) Newton
• (b) Galileo
• (c) Panini
• (d) Copernicus
  Answer: (d)

15. Which of the following statements is accurate regarding our solar system?

• (a) Earth is the densest planet in the solar system
• (b) Silicon is the most abundant element in Earth’s composition
• (c) The Sun accounts for 75% of the mass of the solar system
• (d) The Sun’s diameter is 190 times that of Earth
  Answer: (a)

16. How many planets are there in the solar system?

• (a) 7
• (b) 8
• (c) 12
• (d) 21
  Answer: (b)