1000+ Astronomy Multiple Choice Question Answer [Solved]

1. When the earth is at its minimum distance from the Sun, it is said to be
A. Perigee
B. Apogee
C. Perihelion
D. Aphelion
Answer : C

2. The group of small pieces of rock revolving round the Sun between the orbits of Mars and Jupiter are called
A. meteors
B. comets
C. meteorites
D. asteroids
Answer : D

3. Polar Auroras are called __ in Southern Hemisphere.
A. Aurora Australis
B. Quasars
C. Aurora Borealis
D. Pulsar
Answer : A

4. Arrange the Outer Planets in increasing order of their sizes.
1. Jupiter
2. Uranus
3. Saturn
4. Neptune
A. 4, 2, 3, 1
B. 4, 2, 1, 3
C. 2, 4, 3, 1
D. 4, 2, 3, 1
Answer : A

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

6. 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

7. A celestial body consisting of a gaseous cloud enveloping a bright nucleus moving around the Sun in an elliptical or parabolic orbit so eccentrically that some escapes from the Solar Systems is called
A. Comet
B. Great Bear
C. Meteores
D. Asteroides
Answer : A

8. Sidereal means
A. Pertaining or referring to the stars
B. Pertaining or referring to the moon
C. Pertaining or referring to the Sun
D. Pertaining' or referring to the cosmic bodies
Answer : A

9. When the Sun is vertically overhead along the Tropic of Capricorn at mid-day
A. days and nights are of equal lengths in the Northern Hemisphere
B. Nights are longer than days in the Southern Hemisphere
C. Days and nights are of equal lengths at the poles
D. Night is equal to 24 hours at the North Pole
Answer : D

10. What proportion of the mass of the earth does the mass of the Moon equal?
A. 1/81
B. 1/18
C. 1/27
D. 1/72
Answer : A

11. 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

12. How much Is the average distance of the Sun from the Earth?
A. 150 million km
B. 145 million km
C. 155 million km
D. 140 million km
Answer : A

13. What does perigee mean?
A. The position of the moon farthest from the earth
B. The position of the earth nearest to the Sun
C. The position of the moon nearest to the earth
D. The position of the earth farthest from the Sun
Answer : C

14. Which of the following are the Outer Planets?
1. Jupiter
2. Saturn
3. Uranus
4. Neptune
A. 1 and 2
B. 1, 2and 3
C. 1, 2, 3 and 4
D. 1, 2, 3, 4 and 5
Answer : C

15. In which of the following planets, the Great Red Spot has been the special feature?
A. Jupiter
B. Saturn
C. Mars
D. Venus
Answer : A

16. The planet of lowest density (0.69) is __ .
A. Jupiter
B. Saturn
C. Neptune
D. Pluto
Answer : B

17. 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

18. Which of the following statements are true?
1. Inner Planets are alternatively called Terrestrial Planets.
2. Outer Planets are Jupiter, Saturn, Uranus and Neptune. All four Outer Planets are considered as Great Planets.
3. Pluto is also considered as
A. 1, 2 and 4
B. 1 and 4
C. 1, 3 and 4
D. 1, 2, 3 and 4
Answer : A

19. How much time does the earth take in completing one rotation on its axis in relation to sun?
A. 23 hours 56 minutes
B. 24 hours
C. 23 hours 46 minutes
D. 24 hours 4 minutes
Answer : B

20. Which of the following planets is called 'blue planet'?
A. Venus
B. Earth
C. Mars
D. Uranus
Answer : B

21. Shoemaker-Levy 9 is a
A. Meteors
B. Pole Stars
C. Comets
D. Stars
Answer : C

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

23. Which two planets do not have any satellites?
1. Mercury
2. Venus
3. Saturn
4. Pluto
A. 1 and 2
B. 2 WtQ 3
C. 3 and 4
D. 1 and 4
Answer : A

24. What is a 'synodic month'?
A. Moon's period of rotation on its axis with respect to the earth.
B. Moon's period of revolution around the earth.
C. Moon's period of revolution with respect to a star at infinity
D. Moon's period of revolution with respect to the Sun
Answer : D

25. Which planet rotates on its axis from north to south?
A. Uranus
B. Venus
C. Mars
D. Pluto
Answer : A

26. If the Sun dies It will be transformed Into a
A. White Dwarf
B. Black Dwarf
C. Quasar
D. All of the above
Answer : B

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

28. Charon' is the satellite of _____.
A. Earth
B. Saturn
C. Pluto
D. Neptune
Answer : C

29. How many planets does our Solar System consist of?
A. 9
B. 6
C. 7
D. 10
Answer : A

30. What is the direction of rotation of the earth on its axis?
A. East to West
B. South to North
C. North to South
D. West to East
Answer : D

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

32. 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

33. A meteor is
A. a rapidly moving star
B. a piece of matter which has entered the earth's atmosphere from outer space
C. part of a constellation
D. a comet without a tail
Answer : B

34. Our Solar System is an orderly community of _____.
A. One star
B. Two stars
C. Three stars
D. Four stars
Answer : A

35. A celestial body which revolves round a planet just as a planet revolves round the Sun is called _____.
A. Moon
B. Asteroid
C. Satellite
D. Great Bear
Answer : C

36. What is the position of the moon called when it la farthest from the earth?
A. Perigee
B. Perihelion
C. Aphelion
D. Apogee
Answer : D

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

38. 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

39. On the summer solstice in the Northern Hemisphere which of the hollowing latitudes will have the longest night?
A. 45°S
B. 60°S
C. 60°N
D. 45°N
Answer : B

40. Lunar eclipse means
A. Direction or path of the Moon
B. The Moon comes between the Sun and the Earth
C. The Earth comes in between the sun and the Moon and the centres of all the three come on the same straight line
D. The average angle made by a line drawn from the Moon to the Earth
Answer : C

41. The word 'planet' means ____.
A. wanderer
B. pollution
C. celestial body
D. heavenly body
Answer : A

42. Which of the following statements is correct with reference to our Solar System?
A. The Earth is the densest of all the Planets in our Solar System
B. The predominant element in the composition of Earth is silicon
C. The sun contains 75 per cent of the mass of the Solar System
D. The diameter of the Sun is 190 times that of the Earth
Answer : A

43. Which of the following is not an astronomical object?
A. Pulsar
B. Brittle Star
C. Black hole
D. Quasar
Answer : B

44. Which of the following is known as the Cold Planet?
A. Mars
B. Uranus
C. Jupiter
D. Venus
Answer : C

45. 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

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

47. 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

48. What is the shape of our galaxy 'Milky Way'?
A. spiral
B. elliptical
C. circular
D. spherical
Answer : A

49. Which is the second largest satellite in the Solar System?
A. Titan
B. Charon
C. Ganymede
D. Europa
Answer : A

50. 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