Astronomy 1000+ MCQ with answer for NMAT

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

2. What is the name given to the widened rivermouth found at the point a river enters the sea?
A. Estuary
B. Bay
C. Gulf
D. Delta
Answer : A

3. How much is the variation In distance between the Earth and the Sun during aphelion and perihelion?
A. 5000000 km
B. 500000 km
C. 50000 km
D. 5000 km
Answer : A

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

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

7. The atmospheric� pressure on the surface of Venus is more than__ times the atmospheric pressure of the Earth.
A. 90
B. 80
C. 50
D. 100
Answer : A

8. What happens during the equinoxes?
A. The countries along the Equator are in darkness
B. The countries along the Equator are at their hottest
C. The countries along the Equator are at their wettest
D. The Sun shines vertically over the Equator
Answer : D

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

10. 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

11. A swarm of small bodies in between the two Planets of Solar System is called 'asteroids' which are those two Planets?
A. Mars and Jupiter
B. Earth and Venus
C. Neptune and Pluto
D. Jupiter and Saturn
Answer : A

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

13. What is a narrow waterway separating two bits of land called?
A. A bay
B. A gulf
C. A strait
D. An isthmus
Answer : C

14. Equatorial circumference of the Earth is
A. 40067 km
B. 50067 km
C. 4067 km
D. 5067 km
Answer : A

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

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

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

18. What is significant about the town of Greenwich?
A. The International Date Line passes through it
B. The 0° (Zero) meridian passes through it and therefore the world sets its time by it
C. It is at 180� longitude
D. It is a major horological research centre in Britain
Answer : B

19. Planet nearest to the earth is _____.
A. Venus
B. Mercury
C. Mars
D. Jupiter
Answer : A

20. 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

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

22. What is the primary cause of the day and night?
A. Revolution
B. Rotation
C. Inclination of the earth's axis
D. Geoid shape of the earth
Answer : B

23. Halley's comet visits us after every.
A. 66 years
B. 76 years
C. 86 years
D. 96 years
Answer : B

24. 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

25. 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

26. What happens when ships cross the International Date Line?
A. They have to pay a tax
B. Ships going west from the USA lose a day, ships going east from Japan and Australia gain a day
C. They have to report at the customs post
D. They have to check their clocks agains
Answer : B

27. 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

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

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

30. How much time is taken by the Moon in completing one revolution around the Earth?
A. 27 days
B. 29 days
C. 29.32 days
D. 27.32 days
Answer : D

31. Which planet has the largest equatorial radius?
A. Jupiter
B. Saturn
C. Mars
D. Earth
Answer : A

32. Consider the following statements regarding asteroids:
1. Asteroids are rocky debris of varying sizes orbiting the Sun.
2. Most of the asteroids are small but some have diameter as large as 1000 km.
3. The orbit of asteroids lies between the orbits of
A. 1, 2 and 3 are correct
B. 2 and 3 are correct
C. 1 and 2 are correct
D. 1 and 3 are correct
Answer : C

33. 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

34. 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

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

37. 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

38. Planet with nearly equal rotation and revolution time to the earth is _____.
A. Venus
B. Mercury
C. Uranus
D. Mars
Answer : A

39. 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

40. The solar eclipse takes place when
A. The Earth comes between the Sun and the Moon
B. The Moon passes between the Sun and the Earth
C. The Sun comes between the Earth and the Moon
D. The Planets of the Solar System lies on the same plane
Answer : B

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. 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

43. 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

44. 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

45. The inclination of the earth's axis, i.e. the earth's axis is tilted at an angle from perpendicular to the orbital plane or makes an angle with the plane of the earth's orbit. What are these respective angles?
A. ${90}^0$
B. $23{\frac{1}{2}}^0$
C. $0^0$
D. $66{\frac{1}{2}}^0$
Answer : B

46. 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

47. Smallest planet of our Solar System is _____.
A. Pluto
B. Earth
C. Venus
D. Mercury
Answer : A

48. The Sun experiences magnetic storms and this Interferes with the magnetic field oC the Earth and produces light which are called
A. Quasars
B. Polar Auroras
C. Meteorites
D. Pulsar
Answer : B

49. 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

50. The permanent tilt of the Earth's axis and the revolution of the Earth in its orbit together cause
A. Day and night
B. Varying lengths of day and night at different times of the year
C. Differences in time between places on different meridians
D. The deflection of winds
Answer : B