Earth and Solar System

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1. Which planet is known as the Blue Planet

A) Mars
B) Earth
C) Venus
D) Jupiter

2. The Earth revolves around the Sun in approximately

A) 360 days
B) 366 days
C) 370 days
D) 365 days

3. The Earth rotates from

A) East to West
B) North to South
C) West to East
D) South to North

4. The axis of Earth is tilted at an angle of

A) 30°
B) 23½°
C) 45°
D) 60°

5. Which is the largest planet in the Solar System

A) Jupiter
B) Earth
C) Saturn
D) Neptune

6. Which planet is closest to the Sun

A) Venus
B) Mars
C) Earth
D) Mercury

7. Which planet is known as the Red Planet

A) Mercury
B) Mars
C) Venus
D) Jupiter

8. The Moon is a

A) Star
B) Planet
C) Asteroid
D) Satellite

9. The Sun is mainly composed of

A) Hydrogen and Helium
B) Oxygen and Nitrogen
C) Carbon and Oxygen
D) Iron and Nickel

10. The time taken by the Moon to revolve around Earth is

A) 24 hours
B) 7 days
C) 27.3 days
D) 365 days

11. Which planet is called Earth’s twin

A) Mars
B) Venus
C) Mercury
D) Jupiter

12. The shape of the Earth is

A) Perfect sphere
B) Flat
C) Oval
D) Oblate spheroid

13. The Earth's atmosphere is mainly composed of

A) Oxygen
B) Carbon dioxide
C) Hydrogen
D) Nitrogen

14. The equator divides the Earth into

A) East and West
B) Upper and Lower
C) North and South
D) Land and Water

15. The Earth takes how many hours to complete one rotation

A) 12 hours
B) 48 hours
C) 36 hours
D) 24 hours

16. The outermost layer of Earth is called

A) Mantle
B) Core
C) Crust
D) Lithosphere

17. Which planet is known for its Great Red Spot

A) Mars
B) Jupiter
C) Saturn
D) Uranus

18. The asteroid belt lies between

A) Earth and Mars
B) Jupiter and Saturn
C) Venus and Earth
D) Mars and Jupiter

19. Which planet rotates on its side

A) Uranus
B) Neptune
C) Mars
D) Earth

20. Which is the hottest planet in the Solar System

A) Mercury
B) Mars
C) Venus
D) Jupiter

21. The light from the Sun takes approximately how long to reach Earth

A) 1 hour
B) 8 minutes
C) 24 hours
D) 1 minute

22. Which planet is farthest from the Sun

A) Uranus
B) Saturn
C) Pluto
D) Neptune

23. Which is the natural satellite of Earth

A) Sun
B) Mars
C) Moon
D) Venus

24. The inner planets are also called

A) Gas giants
B) Terrestrial planets
C) Ice planets
D) Dwarf planets

25. The Earth's core is mainly made of

A) Iron and Nickel
B) Carbon
C) Oxygen
D) Silicon

26. Which planet is known as the Morning Star

A) Mars
B) Mercury
C) Jupiter
D) Venus

27. The Solar System is part of which galaxy

A) Andromeda
B) Orion
C) Milky Way
D) Whirlpool

28. The revolution of Earth causes

A) Day and night
B) Seasons
C) Tides
D) Winds

29. The rotation of Earth causes

A) Seasons
B) Tides
C) Climate
D) Day and night

30. Which planet is called the “Evening Star”

A) Mercury
B) Mars
C) Venus
D) Jupiter