1000+ Astronomy Multiple Choice Question Answer [Solved]

1. The date on which the Sun is vertical over the 'Tropic of Capricorn' is
A. December-22
B. March-21
C. June-21
D. September-23
Answer : A

2. The length of its day and the tilt of its axis are almost identical to those of the Earth. This is true or
A. Uranus
B. Neptune
C. Saturn
D. Mars
Answer : D

3. Hale Bopp' is a newly discovered ____.
A. Planet
B. Meteore
C. Satellite
D. Comet
Answer : D

4. A 'black hole' is a body in space which does not allow any radiation to come out. This property is due to its
A. Very small size
B. Very large size
C. Very high density
D. Very low density
Answer : C

5. The name of our galaxy is _______
A. Alfa Centauri
B. Proxima Centauri
C. Milky Way
D. Neptune
Answer : C

6. What is the most accurate description of the shape of the earth?
A. a geoid
B. a spherical
C. an oblate sphere
D. a flat disc
Answer : A

7. Relatively cool spots of the Sun are called __ while relatively hot spots of the Sun are called __.
A. Fusionspot, Facu1ae
B. Sunspot, Faculae
C. Faculae, Sunspot
D. Sunspot, Hotspot
Answer : B

8. All asteroids collectively revolve around the
A. Sun
B. Planet
C. Satellite
D. Moon
Answer : A

9. Distance between the Moon and the Earth is
1. Approximately 386000 km
2. 1.25 light seconds
A. Only 1
B. Only 2
C. Both land 2
D. None of these
Answer : C

10. What is the average radius of the Earth?
A. 6071km
B. 6571km
C. 6371km
D. 6771 km
Answer : C

11. Which one of the following stars is nearest to the Earth?
A. Polaris
B. Alpha Centauri
C. Sun
D. Sirius
Answer : C

12. The study of universe on grand scale is called.
A. Cosmology
B. Astronomy
C. Astrology
D. Exbiology
Answer : A

13. Nearest star to the earth is _____.
A. Alfa Centaury
B. Sun
C. Proxima Centaury
D. Dog Star
Answer : B

14. Which of the following are the Inner Planets?
1. Mercury
2. Venus
3. Earth
4. Mars
A. Only 1
B. 1 and 2
C. 1, 2 and 3
D. 1, 2, 3 and 4
Answer : D

15. Big Bang Theory' explains
A. the formation of universe
B. the origin and evolution of earth's crust
C. formation of Solar System
D. formation of constellation
Answer : A

16. Which of the following statements prove(s) that the earth Is spherical?
The Sun rises and sets at different lines in different places.
The shadow cast by the earth on the moon during the lunar eclipse is always circular.
Pictures taken from high alti
A. Only 1
B. 2 and 3
C. I, 2 and 3
D. Only 2
Answer : C

17. When dees the Summer Solstice occur?
A. July 23
B. June 21
C. May 20
D. April 31
Answer : B

18. The most important constituent of the Sun's mass is.
Hydrogen
Helium
Silicon
Iron
A. 1 and 2
B. 2 and 3
C. 3 and 4
D. 1,2 and 4
Answer : A

19. Sunspots are
A. undulations on the solar surface
B. huge magnetic storms on the solar surface
C. places with adequate sunshine
D. places of tourist importance
Answer : B

20. What la the difference between a gulf and a bay?
A. A gulf is big and a bay is small
B. A gulf is at a rivermouth and a bay is not
C. A bay is surrounded by cliffs and a gulf by lowland
D. Both are part of the sea that extend considerably into the land, but a bay usually has a wider entrance than a gulf
Answer : D

21. What is peninsula?
A. A narrow belt of land
B. A mountainous island
C. A piece of land surrounded by water on three sides
D. A range of hills
Answer : C

22. A Light Year measures
A. A unit of velocity
B. A unit of distance
C. A unit of pressure
D. A unit of time
Answer : B

23. Equatorial diameter of the Earth is __.
A. 12757 km
B. 17257 km
C. 17527 km
D. 17572 km
Answer : A

24. Earth revolves round the Sun In an orbit once In every __.
A. 24 hours
B. 20 hours
C. 365 % days
D. 366 days
Answer : C

25. When a year divisible by 4 and not divisible by 400 is called
A. Siderial Year
B. Solar Year
C. Cosmic Year
D. Leap Year
Answer : D

26. The date on which the Sun is vertical over the 'Tropic of Cancer' is
A. June-21
B. December-22
C. March-21
D. September-23
Answer : A

27. Which of the following is 'the cruel planet' in Indian astrology?
A. Jupiter
B. Saturn
C. Uranus
D. Neptune
Answer : B

28. On which date is the Earth in 'perihelion'?
A. January-3
B. June-21
C. July-4
D. December-22
Answer : A

29. The Sun contains over ___of the total mass of the Solar System.
A. 0.825
B. 0.98
C. 0.998
D. 0.02
Answer : C

30. What meridian is the International Date Line?
A. The 180° meridian
B. The O° meridian
C. The 90° meridian
D. The 135° meridian
Answer : A

31. Which of the following is known as 'King of Planets'?
A. Earth
B. Jupiter
C. Mercury
D. Venus
Answer : B

32. What is the time difference for every degree of longitude?
A. Eight minutes
B. Ten minutes
C. Four minutes
D. Twelve minutes
Answer : C

33. Which of the following conditions la the most relevant for the presence of life on Mars?
A. Atmospheric composition
B. Thermal conditions
C. Occurrence of ice caps and frozen water
D. Occurrence of ozone
Answer : C

34. Which planet rotates on its axis from east to west?
A. Venus
B. Uranus
C. Earth
D. Jupiter
Answer : A

35. A system of millions and millions of galaxies are called _____.
A. Solar System
B. Universe
C. Space
D. Constellation
Answer : B

36. Arrange the Inner Planets in decreasing order of their distances from the Sun.
1. Earth
2. Mercury
3. Venus
4. Mars
5. Neptune
A. 1, 4, 3, 2
B. 4, 2, 1, 3
C. 4, 1, 2, 3
D. 4, 1, 3, 2
Answer : D

37. A celestial body which revolves round the Sun and receives heat and light from it is called _____.
A. Planet
B. Orion
C. Satellite
D. Star
Answer : A

38. The shortest route between two places is along the
A. longitudes
B. latitudes
C. rivers
D. direction of winds
Answer : A

39. The atmosphere of Venus contains large quantity of
A. Carbondioxide and sulphuric acid
B. Carbondioxide and nitric acid
C. Nitrogen and sulphuric acid
D. Nitrogen and nitric acid
Answer : A

40. Sun revolves around galaxy once in every 250 million years, this length of time is called _____.
A. Cosmic or Galactic Year
B. Mean Solar Year
C. Sidereal Year
D. Leap Year
Answer : A

41. What is the difference between a lake and a tank?
A. A lake is small and a tank is big
B. A lake has flowing water, a tank has still water
C. A lake is a geographical feature, a tank is not
D. Both are land-enclosed water bodies, but the latter is man-made
Answer : D

42. To a space traveller stationed in Moon, during the day time the lunar sky will appear
A. Blue
B. White
C. Black
D. Crimson Red
Answer : C

43. Which planet does experience a day almost of the same duration as the Earth?
A. Venus
B. Mercury
C. Mars
D. Jupiter
Answer : C

44. Polar circumference of the Earth is
A. 40000 km
B. 4000 km
C. 50000 km
D. 5000 km
Answer : A

45. Deimos and Phobos are the satellites of
A. Earth
B. Mars
C. Uranus
D. Neptune
Answer : B

46. Which of the following is the largest ocean?
A. Indian
B. Pacific
C. Atlantic
D. Arctic
Answer : B

47. Which planet is called 'Double Planet'?
A. Venus
B. Uranus
C. Pluto
D. Earth
Answer : C

48. Planet with maximum satellites is _____.
A. Earth
B. Saturn
C. Jupiter
D. Pluto
Answer : B

49. An ancient star that has collapsed matter so dense that It creates gravitational force so powerful that even light also does not escape. It Is called
A. QSO
B. Black Hole
C. Neutron Star
D. Black Dwarf
Answer : B

50. Among the following which planet takes maximum time for one revolution around the Sun?
A. Earth
B. Jupiter
C. Mars
D. Venus
Answer : B