1. Which planet is the closest to the Sun?
(A) Venus
(B) Mercury
(C) Earth
(D) Mars
2. Which planet is known as the "Red Planet"?
(A) Jupiter
(B) Venus
(C) Mars
(D) Saturn
3. How many planets are there in the Solar System?
(A) 8
(B) 7
(C) 9
(D) 10
4. Which planet has the largest number of moons?
(A) Earth
(B) Jupiter
(C) Saturn
(D) Neptune
5. Which planet is the largest in the Solar System?
(A) Mars
(B) Uranus
(C) Neptune
(D) Jupiter
6. Which planet is known for its beautiful rings?
(A) Venus
(B) Jupiter
(C) Saturn
(D) Uranus
7. Which is the only planet known to support life?
(A) Mars
(B) Earth
(C) Venus
(D) Neptune
8. Which planet has the longest day (rotation period) in the Solar System?
(A) Venus
(B) Jupiter
(C) Mercury
(D) Uranus
9. Which is the smallest planet in the Solar System?
(A) Mars
(B) Mercury
(C) Pluto
(D) Neptune
10. Which planet is known as the "Morning Star" or "Evening Star"?
(A) Mars
(B) Mercury
(C) Venus
(D) Saturn
11. Which planet has the fastest rotation?
(A) Jupiter
(B) Earth
(C) Neptune
(D) Mars
12. What is the main component of the Sun?
(A) Oxygen
(B) Carbon
(C) Hydrogen
(D) Helium
13. Which planet has the Great Red Spot, a giant storm?
(A) Saturn
(B) Jupiter
(C) Uranus
(D) Neptune
14. Which planet has the coldest average temperature?
(A) Uranus
(B) Neptune
(C) Pluto
(D) Mars
15. Which planet rotates on its side, making it unique in the Solar System?
(A) Jupiter
(B) Saturn
(C) Uranus
(D) Venus
16. What is the name of Earth's natural satellite?
(A) Phobos
(B) Deimos
(C) The Moon
(D) Titan
17. What is the name of the largest volcano in the Solar System, found on Mars?
(A) Olympus Mons
(B) Mauna Loa
(C) Vesuvius
(D) Mount Everest
18. Which planet has the most elliptical (oval-shaped) orbit?
(A) Earth
(B) Mars
(C) Mercury
(D) Pluto
19. What is the term for a rocky body that orbits the Sun but is too small to be a planet?
(A) Comet
(B) Satellite
(C) Meteor
(D) Asteroid
20. What is the Kuiper Belt?
(A) A ring around Saturn
(B) A storm on Jupiter
(C) A region of icy bodies beyond Neptune
(D) The outermost layer of the Sun