1. Which one of the following conditions is most relevant for the presence of life on Mars?
2. Which of the following planets has the least density?
3. Which of the following statement in reference to our solar system is true?
4. The Earth's magnetic field is due to
5. Astronomical unit is the average distance between-
7. On which planet the spacecraft Magellan was sent?
8. In order of their distances from the Sun, which of the following planets lie between Mars and Uranus?
9. Who first propounded that Sun is the centre of Solar system and Earth moves around the Sun?
10. What is the reason for the high waves rise in the ocean?
12. Where is Sea of Tranquility
14. There is no atmosphere on the moon because-
15. The smallest planet of the Solar system is-
17. The largest amount of fresh water on our planet is in-
18. On which of the following planets does the sun rise in the West?
19. Among the following which planet takes maximum time for one revolution around the Sun?
20. Which of the following is not an astronomical object?
21. The sun takes time to revolve around the center of our milkyway galaxy–
22. Which of the following is not the planet of the solar system?
23. What is true about the planets—
24. The main reason for the presence of mammoth ice caps at the poles of the Earth is:
25. Solar eclipse will take place when:
26. How many constellations are there in our space?
27. Which elements are abundant in the formation of interior layer of the earth?
28. The solar eclipse achieves totality only in limited geographical regions because–
29. The small celestial bodies (Asteroid) are found in our solar system between.
30. Which of the following is not the part of Solar system?
31. ‘Encelandus’ is a moon of which planet?
32. The closest planet to the Earth is—
33. The reason for the elliptical appearance of the sun and the moon near the horizon is-
34. Which is the heaviest planet?
35. Who among the following stated at first that earth is spherical?
36. The colour of the star is indicator of—
37. How many of the above pairs are correctly matched?
38. Titan is the largest moon or satellite
39. Which of the following planet have maximum number of natural satellites or moon.
40. The boundary beyond which stars die is called–
41. Akash Ganga is classified as—
42. Which of the following gases was absent in the atmosphere of the primitive earth?
43. Astronauts see sky color:
44. The stars of which constellation indicate towards the pole, that is–
45. With the recent discovery of 12 new moons, the planet presently known to have the highest number of natural satellites is
46. The tail of a comet is directed away from the sun because
47. On the ocean floor, the place closest to the center of the Earth is:
48. Lunar eclipse occurs when
49. Two planets that do not have satellites:
