Solar system questions and answers:
Ques. The largest planet in our solar system is
(a) Mars
(b) Saturn
(c) Jupiter
(d) Mercury
Ques. There is no atmosphere on moon because
(a) There is no vegetation
(b) The escape velocity at its surface is very low
(c) Diffusion constant of gases is high
(d) There is vacuum in space
Ques. Equinox occurs when the Sun is vertically above the
(a) Equator
(b) Tropic of Capricorn
(c) Tropic of Cancer
(d) Poles
Ques. The number of satellites of Venus is:
(a) one
(b) two
(c) three
(d) zero
Ques. How many moons does Saturn have?
(a) 82
(b) 80
(c) 78
(d) 76
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Ques. The credit for the discovery of rings of the Saturn goes to:
(a) Kepler
(b) Galileo
(c) Newton
(d) Copernicus
Ques. Which of the planet is brightest?
(a) Mercury
(b) Venus
(c) Mars
(d) Jupiter
Ques. Smallest & Largest planet of solar system is respectively:
(a) Mercury & Uranus
(b) Neptune & Jupiter
(c) Mars & Saturn
(d) Mercury & Jupiter
Ques. A planet which is born sister of earth is
(a) Mercury
(b) Venus
(c) Mars
(d) Jupiter
Ques. Phases of the moon are observed because:
(a) The moon does not reflect sunlight
(b) The relative position of the sun, earth and the moon changes
(c) The shadow of earth falls on the moon
(d) Only some parts of the moon can emit light
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Ques. Which planet is also known as “red planet”?
(a) Mars
(b) Venus
(c) Jupiter
(d) Mercury
Ques. The planet emitting green light
(a) Jupiter
(b) Venus
(c) Uranus
(d) Neptune
Ques. The heaviest mass revolving round the sun is _
(a) Moon
(b) Jupiter
(c) Neptune
(d) Pluto
Ques. Lunar eclipse occurs when the:
(a) Sun comes between the earth and the moon
(b) Moon comes between the earth and the sun
(c) Earth comes between the sun and the moon
(d) Earth and the moon collide with each other
Ques. Which of these is the largest natural satellite in the solar system?
(a) Lysistrata
(b) Corstorphine
(c) Caligula
(d) Ganymede
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Ques. Which of the following planet has highest known satellite:
(a) Mercury
(b) Jupiter
(c) Saturn
(d) Venus
Ques. Which of the following planets have rings around it?
(a) Uranus
(b) Mars
(c) Jupiter
(d) Saturn
Ques. Mercury is closer to the sun than venus. But venus is hotter than mercury because :
(a) Mercury has no atmosphere and venus has a thick atmosphere which can retain the heat
(b) Mercury is mostly made up of sedimentary rocks while venus contains igneous rocks
(c) Mercury being closer to the sun, sun absorbs the heat of the mercury
(d) All of the above
Ques. Which of the following is not a terrestrial planet?
(a) Venus
(b) Earth
(c) Mars
(d) Jupiter
Ques. Which of the following planets is referred to as ‘Watery planet’?
(a) Mercury
(b) Earth
(c) Mars
(d) Jupiter
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Ques. The laws concerning the motion of planets were suggested by
(a) Kepler
(b) Galileo
(c) Einstein
(d) Brahe
Ques. Venus and which other planet in our solar system has no moon?
(a) Saturn
(b) Neptune
(c) Mars
(d) Mercury
Ques. Which planet of the solar system spins on its axis at the fastest rate?
(a) Mercury
(b) Earth
(c) Jupiter
(d) Saturn
Ques. Which of the following is now not considered as a planet of our solar system?
(a) Pluto
(b) Jupiter
(c) Mars
(d) None of these
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Ques. On which of the following planets a water cycle is available?
(a) Jupiter
(b) Earth
(c) Mars
(d) Venus
Ques. Example of natural satellite is:
(a) Venus
(b) Comet
(c) Moon
(d) Mangalyaan
Ques. 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
Ques. 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
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Ques. Which planet has highest number of moons ?
(a) Uranus
(b) Mars
(c) Saturn
(d) Jupiter
Ques. What is the position of Mars from the Sun among the eight planets
(a) First
(b) Second
(c) Third
(d) Fourth
Ques. Among the following, the celestial body farthest from the Earth is
(a) Saturn
(b) Uranus
(c) Neptune
(d) Pluto
Ques. Which one is called Blue Planet?
(a) Earth
(b) Mars
(c) Venus
(d) Jupiter
Ques. The planet which has the highest surface temperature is
(a) Jupiter
(b) Earth
(c) Pluto
(d) Venus
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Ques. How long does the earth takes to rotate
(a) 4 minute
(b) 15 minute
(c) 36 minute
(d) 24 minute
Ques. Which of the following is called the twin of the earth?
(a) Neptune
(b) Venus
(c) Mars
(d) Saturn
