1. Which planet is known as the Red Planet
A) Venus
B) Mars
C) Jupiter
D) Mercury
2. The Earth has how many natural satellites
A) Two
B) Three
C) Four
D) One
3. Which planet is closest to the Sun
A) Venus
B) Earth
C) Mercury
D) Mars
4. Which is the largest planet in the solar system
A) Saturn
B) Jupiter
C) Earth
D) Neptune
5. Which planet is known as the Morning Star
A) Venus
B) Mars
C) Saturn
D) Uranus
6. The Sun is a
A) Planet
B) Satellite
C) Comet
D) Star
7. Which planet is called the Blue Planet
A) Neptune
B) Earth
C) Venus
D) Mars
8. Which force keeps planets around the Sun
A) Magnetic force
B) Wind force
C) Gravitational force
D) Frictional force
9. The path of Earth around the Sun is called
A) Axis
B) Ring
C) Layer
D) Orbit
10. Day and night are caused by
A) Revolution of Earth
B) Rotation of Earth
C) Movement of Moon
D) Clouds in sky
11. Seasons are mainly caused by
A) Rotation of Earth
B) Shape of Moon
C) Ocean currents only
D) Revolution and tilt
12. The imaginary line passing through the poles is
A) Orbit
B) Axis
C) Equator
D) Tropic
13. The Equator divides Earth into
A) North and South
B) East and West
C) Upper and lower
D) Land and water
14. Which layer protects Earth from harmful UV rays
A) Troposphere
B) Mesosphere
C) Core layer
D) Ozone layer
15. Which is the outermost layer of Earth
A) Mantle
B) Core
C) Crust
D) Inner core
16. The thick middle layer of Earth is called
A) Crust
B) Mantle
C) Core
D) Atmosphere
17. Which part of Earth is mainly made of iron and nickel
A) Crust
B) Mantle
C) Lithosphere
D) Core
18. The atmosphere is mainly made of
A) Hydrogen
B) Helium
C) Nitrogen
D) Carbon only
19. Which gas is most important for breathing
A) Nitrogen
B) Oxygen
C) Hydrogen
D) Argon
20. Which layer of atmosphere has weather changes
A) Stratosphere
B) Thermosphere
C) Exosphere
D) Troposphere
21. Which layer contains the ozone layer
A) Stratosphere
B) Troposphere
C) Mesosphere
D) Core
22. The Moon shines because it
A) makes own light
B) has fire inside
C) reflects sunlight
D) gets city lights
23. The first human to step on the Moon was
A) Yuri Gagarin
B) Neil Armstrong
C) Rakesh Sharma
D) Edwin Hubble
24. Which planet is called Earth's twin
A) Mars
B) Jupiter
C) Venus
D) Uranus
25. Which planet is famous for its Great Red Spot
A) Mars
B) Jupiter
C) Saturn
D) Neptune
26. Which celestial body moves around a planet
A) Satellite
B) Star
C) Asteroid
D) Galaxy
27. A group of stars forming a pattern is called
A) Orbit
B) Comet
C) Eclipse
D) Constellation
28. Shooting stars are actually
A) Planets
B) Meteors
C) Satellites
D) Clouds
29. A large collection of stars, dust and gas is called
A) Comet
B) Orbit
C) Eclipse
D) Galaxy
30. Our galaxy is called
A) Milky Way
B) Andromeda only
C) Solar ring
D) Red giant
31. The Sun and all bodies around it form the
A) Universe
B) Milky Way
C) Solar system
D) Atmosphere
32. When the Moon comes between Earth and Sun, it is
A) Lunar eclipse
B) Solar eclipse
C) New year
D) Meteor shower
33. When Earth comes between Sun and Moon, it is
A) Solar eclipse
B) Equinox
C) Solstice
D) Lunar eclipse
34. Which instrument is used to see distant objects in space
A) Microscope
B) Barometer
C) Telescope
D) Thermometer
35. Who was the first Indian in space
A) Kalpana Chawla
B) Rakesh Sharma
C) Vikram Sarabhai
D) Sunita Williams
36. ISRO is the space agency of
A) USA
B) Russia
C) Japan
D) India
37. Chandrayaan mission is related to
A) Moon
B) Mars
C) Sun
D) Jupiter
38. Mangalyaan mission is related to
A) Venus
B) Mars
C) Mercury
D) Saturn
39. The Sun rises in the east because of
A) Moon's movement
B) Earth's revolution
C) Cloud direction
D) Earth's rotation
40. Leap year comes after every
A) 2 years
B) 3 years
C) 4 years
D) 5 years