Universe Information Solved MCQs
1. Which planet takes the largest time to go once around the Sun?
(a) Uranus
(b) Jupiter
(c) Neptune✔
(d) Pluto
2. 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
3.Which of the following planets is called evening star?
(a) Mars
(b) Mercury
(c) Venus✔
(d) Jupiter
4.What is the rank of the earth in the solar system in terms of size?
(a) Third
(b) Fourth
(c) Fifth✔
(d) Sixth
5.The planet with the shortest rotation time around its axis is
(a) Mercury
(b) Jupiter✔
(c) Earth
(d) Pluto
6.The planets are kept in motion in their respective orbits by the
(a) Rotation of the sun on its axis
(b) Gravitation and centrifugal forces✔
(c) Great size and spherical shape
(d) Rotation and the density of the planets
7.The theory that refers to an explosion about 10 to 15 billion years ago, which most
astronomers believe to be the origin of the Universe, is called
(a) The Red Shift Theory
(b) Relativity Theory
(c) Big Bang Theory✔
(d) Titanic Theory
8.Operation Path Finder was a mission to
(a) Sun
(b) Moon
(c) Mars✔
(d) Venus
9.Black holes are stellar objects which
(a) Emit black body radiation
(b) Have weak gravitational field
(c) Have intense gravitational field✔
(d) Have intense magnetic field.
10. During a solar eclipse, which of the following represents the relative position of the Sun. Moon and Earth correctly?
(a) The Sun in between the Earth and the Moon
(b) The Earth in between the Sun and the Moon
(c) The Moon in between the Sun and the Earth✔
(d) The Sun, Moon and Earth are not in a straight line
11. Which one of the following planets has the maximum number of satellites? (PMS
2006)
(a) Jupiter✔
(b) Uranus
(c) Saturn
(d) Venus
12. The distance of the planets from the sun in the increasing order is
(a) Mercury, Venus, Earth, Mars✔
(b) Venus, Earth, Mars, Mercury
(c) Earth, Mars, Mercury, Venus
(d) Mercury, Venus, Mars, Earth
13. The earth is the third nearest planet to the sun located between the planets
(a) Mars and Jupiter
(b) Venus and Mars✔
(c) Mercury and Venus
(d) Jupiter and Saturn
14. The planet, which is not only the smallest but also nearest to the sun, is
(a) Jupiter
(b) Mercury✔
(c) Mars
(d) Venus
15. How many are Satellites (Moons) of Saturn Planet? (PMS 2006)
(a) 27
(b) 36
(c) 47
(d) 56✔
16. Which of the following planets is farthest from the sun?
(a) Mercury
(b) Mars
(c) Neptune✔
(d) Uranus
17. Name two planets which appear as ‘morning’ star in the eastern sky and evening star in the western sky
(a) Mars and Venus
(6) Jupiter and Mars
(c) Saturn and Uranus
(d) Mercury and Venus✔
18. Name two planets lying between the sun and the earth
(a) Mercury and Mars
(b) Venus and Mars
(c) Mercury and Venus✔
(d) Jupiter and Saturn
19. How many times is the planet Saturn bigger than the earth (in diameter)?
(a) Four times (b) Six times
(c) Eight times (d) Ten times✔
20. Traveling at the speed of light one can travel how many times around the earth in one second?
(a) 3 times
(b) 5 times
(c) 7 times✔
(d) 9 times
21. Which planet is known as watery planet?
(a) Earth✔
(b) Mars
(c) Venus
(d) Mercury
22. In which part of the solar system is the sun
located?
(a) At the top of the system
(6) At the bottom of the system
(c) At the left hand corner of the system
(d) Approximately at the center of the system✔
23. Which planet contains largest quantity of carbon dioxide i.e. 95%?
(a) Earth
(b) Jupiter
(c) Venus✔
(d) Mercury
24. How many times is the sun bigger in size than the earth?
(a) 69 times
(b) 89 times
(c) 99 times
(d) 109 times✔
25. The temperature at the surface of the sun and its center is respectively, about
(a) 6000 K and 20 million K✔
(b) 7000 K and 10 million K
(c) 8000 K and 16 million K
(d) 9000 K and 14 million K
26.The sun consists mostly of
(a) Helium
(b) Hydrogen✔
(c) Nitrogen
(d) Oxygen
27.Which of the following planets reflects back to space the highest percentage of light it receives from the sun than any other planet of the solar system?
(a) Earth
(b) Jupiter
(c) Mars
(d) Venus✔
28. All of the following planets have lesser diameter than the earth, except
(a) Jupiter✔
(b) Mars
(c) Mercury
(d) Venus
29. Which of the following planets takes very nearly the same time for a rotation on its own axis as does the earth?
(a) Jupiter
(b) Mars✔
(C) Neptune
(d) Uranus
30.The only planet in the solar system which rotates on its axis from East to West is
(a) Earth
(b) Jupiter
(c) Neptune
(d) Uranus✔
31.The largest number of natural satellites (moons) that any one of the planets of the solar system has is
(a) 5
(b) 22
(c) 63 (mid 2006)✔
(d) None of the above
32. Which of the following makes the planet Saturn unique in the solar family?
(a) It is the biggest among the planets
(b) There is a well developed system of rings around it✔
(c) It sends out very strong radio signals which sound like the noise of sea-waves
(d) It shows phases like those of the earth’s moon
33.Which of the following planets has almost the same mass, size and density as the earth?
(a) Venus✔
(b) Mars
(c) Saturn
(d) Uranus
34. The biggest star in our galaxy is
(a) Epsilon Aurigae
(b) Proxima Centauri✔
(c) Sirius
(d) Sun
35. Who was the second to observe sun-spots after Ibn Zubir?
(a) Galileo✔
(b) Halley
(c) Newton
(d) None of the above
36. What are sun-spots?
(a) These are great flames of gases which shoot out of the sun
(b) These are areas of the sun where nuclear fission takes place
(c) These are areas of the sun where the heat is most intense which shows up as dark spots
(d) These are cooler areas which move about on the sun’s surface and show up as dark spots✔
37. A light year, as a unit of measurement of distances of heavenly bodies, is equal to
(a) 6 million, million kms
(b) 7% million, million kms
(c) 9% million, million kms✔
(d) 11% million, million kms (speed of light is equal to 3,00,000 km/per sec)
38.The planet Neptune’s orbit around the sun takes about
(a) 247.7 years
(b) 165 years✔
(c) 84 years
(d) 29.5 years
39.The planets of the solar system travel with the sun through millions of stars in our galaxy at a speed of about
(a) 50,000 km/hour (b) 60.000 km/hour
(c) 70,000 km/hour✔ (d) 80.000 kmhour
40.What name is given to the path of the sun amongst the stars in our galaxy?
(a) Celestial sphere (b) Ecliptic
(c) Elliptical path✔ (d) Zodiacal signs
41. The visible part of the sun is called
(a) Ionosphere (b) Hydrosphere
(c) Photosphere✔ (d) Troposphere
42. When and by whom were the rings of Saturn discovered?
(a) Galileo, 1610✔
(b) Edmund Halley, 1882
(c) Newton; 1682
(d) Tycho Brahe, 1590
43. Light takes nearly 4 years to reach us from the nearest star. What is the distance
between that star and the earth?
(a) 2.18 x 1016
(b) 2.58 x 101m
(c) 3.18 x 1016
(d) 3.782 1016✔
44. “Galileo Satellites named after their discoverer, are four large moons of the
planet
(a) Jupiter✔
(b) Neptune
(c) Saturn
(d) Uranus
45. Titan, the largest moon in the solar system, is also the largest moon of
(a) Jupiter
(b) Mars
(c) Saturn✔
(d) Uranus
46. Who was the first to speculate that Venus is completely covered with clouds?
(a) Christian Huygens✔
(b) Giordano Bruno
(c) Copernicus
(d) Descartes
47. Who was the first to determine that the day on the Mars was, like ours, roughly twenty- four hours long?
(a) Isaac Newton (b) Copernicus
(c) Giordano Burno✔ (d) Christians Huygens
48. How long does a sun-ray take to travel from the sun to the earth?
(a) 400 sec
(b) 450 sec
(c) 498 sec✔
(d) 600 sec
49. The comet, named after Edmund Halley, reappears after a time interval of every
(a) 36 years
(b) 76 years✔
(c) 116 years
(d) 156 years
50.The shape of our milky way galaxy is
(a)Irregular
(b)Spiral
(c)Elliptic✔
(d)Rectangular
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