Astronomy 1000+ MCQ with answer for IBPS SO

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

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

3. Which star la called the brightest star (Dog star)?
A. Sirius
B. Proxima Centaury
C. Orion
D. Pole Star
Answer : A

4. Period of sunspot cycle is
A. 11 years
B. 15 years
C. 21 years
D. 33 years
Answer : A

5. 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

6. What is the name of the planet which takes 88 days to make one revolution of the Sun?
A. Venus
B. Mercury
C. Pluto
D. Neptune
Answer : B

7. When does the Vernal Equinox occur?
A. December 25
B. March 21
C. February 28
D. January 14
Answer : B

8. A celestial body having its own heat and light is called
A. Planet
B. Moon
C. Star
D. Satellite
Answer : C

9. What is the primary cause of seasonal change on the surface of the earth?
A. Earth's revolution and inclination of its axis
B. Revolution
C. Earth's rotation and inclination of its axis
D. Rotation
Answer : A

10. 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

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

12. Who was the first person to describe the earth as a sphere?
A. Columbus
B. Varahmihir
C. Aryabhat
D. Copernicus
Answer : D

13. Rapidly rotating stars emitting intense radio waves are called ___.
A. Pulsars
B. Quasuars
C. Neutron stars
D. All of the above
Answer : A

14. 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

15. From west to east, what are the three main island groups in the Pacific called?
A. Melanesia, Micronesia and Polynesia
B. Polynesia, Micronesia and Melanesia
C. Melanesia, Polynesia and Micronesia
D. Micronesia, Polynesia and Melanesia
Answer : A

16. 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

17. 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

18. 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

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

20. 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

21. Earth ranks _____ in the Solar System away from the Sun.
A. 5th
B. 4th
C. 6th
D. 3rd
Answer : A

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

23. The axis of Mars la inclined at an angle of
A. 25°
B. 30°
C. 35°
D. 15°
Answer : A

24. The dark patches, associated with the Sun storms present in Sun are called
A. Sunspots
B. Pulsars
C. White Dwarfstar
D. Supernova
Answer : A

25. One Astronomical Unit is the average distance between
A. Earth and the Sun
B. Earth and the Moon
C. Jupiter and the Sun
D. Pluto and the Sun
Answer : A

26. Largest satellite in Solar System is ____.
A. Moon
B. Ganymede
C. Europa
D. Cheron
Answer : B

27. The tail of a comet is directed away from the Sun because
A. as the comet rotates around the Sun, the light mass of the comet is pushed away due to the centrifugal force alone
B. as the comet rotates, the lighter mass of the comet is attracted by some star situated in the direction of its tail
C. the radiation emitted by the Sun exerts a radial pressure on the comet throwing its tail away from the Sun
D. the tail of the comet always exists in the same orientation
Answer : A

28. 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

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

30. Which of the following statements best describes longitudes?
A. An imaginary line on the earth's surface joining the north and south pole
B. The angular distance east or west of the Greenwich Meridian
C. The distance of place east or west of the Greenwich Meridian
D. The position of a place on the Earth surface with reference to the Prime Meridian
Answer : B

31. 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

32. The word 'satellite' means _____.
A. wanderer
B. settlement
C. light
D. a smaller companion to anything
Answer : D

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

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

35. Which star has the largest percentage In the universe
A. Single stars
B. Binary stars
C. Multiple stars
D. Cephied stars
Answer : C

36. 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

37. 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

38. How much time (approximately) does the light from the nearest star to the Sun take in reaching the earth?
A. 4.3 seconds
B. 4.3 years
C. 4.3 minutes
D. 4.3 hours
Answer : B

39. The difference between day and night increases as one moves
A. From equator to poles
B. From poles to equator
C. From tropics to equator
D. From plains to mountains
Answer : A

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

41. 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

42. Outside Antarctica, which is the deepest part of the earth?
A. The Dead Sea
B. The Aral Sea
C. The Caspian Sea
D. Lake Baikal
Answer : A

43. Which planet does take the longest time in completing one revolution around the Sun?
A. Uranus
B. Saturn
C. Pluto
D. Neptune
Answer : C

44. 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

45. Polar diameter of the Eearth is.
A. 17214 km
B. 12741 km
C. 12714 km
D. 17124 km
Answer : C

46. Orion and Great Bear stand for ______.
A. star
B. planet
C. Solar System
D. Constellation
Answer : D

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

48. 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

49. Polar Auroras are
A. Quasars
B. b) Pulsar
C. Aurora Borealis
D. White Dwarfstar
Answer : C

50. 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