Universe and Solar System Questions and Answers

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Questions and Answers on Universe and Solar System

1. Which of the following does not belong to the solar system?
(A) Asteroids
(B) Comets
(C) Planets
(D) Nebulae

2. Which is the coldest among the following ?
(A) Mars
(B) Earth
(C) Pluto
(D) Mercury

3. The moon is showing its same face to the earth because
(A) It is not rotating about its own axis
(B) Its rotation and revolution are opposite
(C) Its periods of rotation and revolution are the same
(D) Its rotation is faster than its revolution

4. Among the following, the celestial body farthest from the Earth is
(A) Saturn
(B) Uranus
(C) Neptune
(D) Pluto

5. Pulsars are
(A) stars moving towards the Earth
(B) stars moving away from Earth
(C) rapidly spinning stars
(D) high temperature stars

6. Biggest planet of solar system is
(A) Earth
(B) Mars
(C) Saturn
(D) Jupiter

7. ‘Super nova’ is
(A) a comet
(B) an asteroid
(C) an exploding Star
(D) a black hole

8. Which planet in our solar system is nearly as big as the earth ?
(A) Mercury
(B) Mars
(C) Venus
(D) Pluto

9. Which of the following is called “Blue Planet” ?
(A) Saturn
(B) Earth
(C) Jupiter
(D) Mars

10. Which planet in our solar system is nearly as big as the earth ?
(A) Mercury
(B) Mars
(C) Venus
(D) Pluto

11. Which planets do not have satellites revolving around them ?
(A) Mars and Venus
(B) Mercury and Venus
(C) Mars and Mercury
(D) Neptune and Pluto

12. The planet which has the highest surface temperature is
(A) Jupiter
(B) Earth
(C) Pluto
(D) Venus

13. Light from the Sun reaches us in nearly
(A) 8 min
(B) 2 min
(C) 6 min
(D) 4 min

14. A spinning neutron star is known as
(A) White dwarf
(B) Black hole
(C) Pulsar
(D) Quasar

15. When the moon completely covers the sun, it is known as
(A) the Antumbra
(B) the Umbra
(C) the Penumbra
(D) None of these

16. The darkest portion of the shadow cast during an eclipse is
(A) Corona
(B) Umbra
(C) Penumbra
(D) Black hole

17. Which is the second nearest star to the Earth after the Sun?
(A) Vega
(B) Sirius
(C) Proxima Centauri
(D) Alpha Centauri

18. The outermost layer of the Sun is called
(A) Chromosphere
(B) Photosphere
(C) Corona
(D) Lithosphere

19. Which planet is called evening star?
(A) Mars
(B) Mercury
(C) Venus
(D) Jupiter

20. The planet revolving east to west is
(A) Venus
(B) Uranus
(C) Neptune
(D) Pluto

21. The planet emitting green light is
(A) Jupiter
(B) Venus
(C) Uranus
(D) Neptune

22. The number of zodiacs is
(A) 10
(B) 12
(C) 13
(D) 11

23. Which of the following is known as the Morning Star?
(A) Saturn
(B) Jupiter
(C) Mars
(D) Venus

24. Which planet orbits closest to the earth?
(A) Mars
(B) Jupiter
(C) Venus
(D) Mercury

25. Solar energy is received by the earth through
(A) Conduction
(B) Radiation
(C) Convection
(D) refraction

26. The planets on either side of the Earth are
(A) Mars and Jupiter
(B) Mercury and Venus
(C) Venus and Saturn
(D) Mars and Venus

27. Which planet looks reddish in the night sky ?
(A) Jupiter
(B) Saturn
(C) Mars
(D) Mercury

28. Isohels are the isopleths of
(A) Sunshine
(B) flowering time
(C) rain
(D) clouds

29. Which one of the following is the largest planet ?
(A) Jupiter
(B) Venus
(C) Saturn
(D) Uranus

30. The mass of Jupiter is approximately
(A) one tenth of the solar mass
(B) one thousandth of the solar mass
(C) one hundredth of the solar mass
(D) half the solar mass

31. The planet nearest to the Sun is :
(A) Earth
(B) Mercury
(C) Mars
(D) Venus

32. On which of the following planets water cycle is available ?
(A) Jupiter
(B) Earth
(C) Mars
(D) Venus

33. The asteroids revolve round the Sun in between :
(A) Earth and Mars
(B) Mars and Jupiter
(C) Jupiter and Saturn
(D) Saturn and Uranus

34. Which of the following is called the twin of the earth ?
(A) Neptune
(B) Venus
(C) Mars
(D) Saturn

35. Which amidst the following planets has its orbit closest to Sun ?
(A) Venus
(B) Mars
(C) Jupiter
(D) Uranus

36. The light from the Sun reaches the Earth in about—
(A) 8 seconds
(B) 8 minutes
(C) 10 seconds
(D) 10 minutes

37. The surface temperature of the sun is estimated as
(A) 6000 °C
(B) 12000 °C
(C) 18000 °C
(D) 24000 °C

38. Which one of the following planets has no moon?
(A) Mars
(B) Neptune
(C) Mercury
(D) Pluto

39. Which one of the following is called a red planet ?
(A) Venus
(B) Mercury
(C) Mars
(D) Jupiter

40. Brightest planet in our solar system is
(A) Venus
(B) Mercury
(C) Mars
(D) Jupiter

41. The Milky Way Galaxy was first observed by
(A) Galileo
(B) Maarten Schmidt
(C) Marconi
(D) Newton

42. Which of the following statements is correct ?
(A) Pluto is not a Planet now
(B) Pluto was discoverd by Clyde Tombaugh in 1930
(C) Pluto has been given the number 134340
(D) All of the above

43. Which is the hottest planet in the Solar System ?
(A) Jupiter
(B) Saturn
(C) Venus
(D) Uranus

44. The largest planet in our solar system is
(A) Mars
(B) Jupiter
(C) Saturn
(D) Mercury

45. The four largest planets of the Solar System in decreasing size are
(A) Jupiter, Mercury, Saturn and Uranus
(B) Mercury, Jupiter, Saturn and Neptune
(C) Jupiter, Saturn, Uranus and Neptune
(D) Jupiter, Mercury, Saturn and Neptune

46. The number of staellites of the planet is Mercury is
(A) 0
(B) 1
(C) 2
(D) 16

47. The planet that takes 88 days to make one revolution of the sun is :
(A) Mercury
(B) Saturn
(C) Jupiter
(D) Mars

48. The total number of planets revolving around the sun is
(A) Five
(B) Eight
(C) Seven
(D) Six

49. In a solar or lunar eclipse, the region of earth’s shadow is divided into
(A) Five parts
(B) Four parts
(C) Two parts
(D) Three parts

50. Day and Night are equal at the:
(A) Prime Meridian
(B) Antarctic
(C) Poles
(D) Eqator