Universe and Solar System Multiple Choice Questions and Answers

Question 1: The ‘Big Bang Theory’ is related to   [RAS/RTS (Pre) 2007]

a) Continental drifts
b) Origin of the Universe
c) Origin of the himalayas
d) eruption of volcanoes

Answer: b

Question 2: According to ‘Big Bang Theory’, our universe sprang into existence as ‘singularity’ around 13.7 billion years ago. Who proposed Big Bang Theory ?

a) Georges Lemaitre
b) Galileo
c) Euclid
d) Aristotal

Answer: a

Question 3: Which one of the following hypothesis/theory explains the origin of the universe ? [NDA 2019]

a) Nebular Hypothesis
b) Binary Theory
c) Big Bang Theory
d) Planetesimal Hypothesis

Answer: a

Question 4: The study of Universe is known as 

a) Cosmology
b) Cosmography
c) Astronomy
d) Geography

Answer: a

Question 5: The terms ‘Event Horizon’, ‘Singularity’, ‘String Theory’, ‘Standard Model’ are sometimes seen in the news in the context of   [IAS (Pre) 2017]

a) Observation and understanding of the universe.
b) study of the solar and the lunar eclipses.
c) placing satellites in the orbit of the Earth.
d) origin and evolution of living organisms on the Earth.

Answer: a

Question 6: Which of the following is/are cited by the scientists as evidence/evidences for the continued expansion of universe? [IAS (Pre) 2012] 

I. Detection of microwave in space.
II. Observation of red shift phenomenon in space.
III. Movement of asteroids in space.
IV. Occurrence of supernova explosions in space.

a) I and II
b) Only II
c) I, III and IV
d) None of these

Answer: a

Question 7: The name of our galaxy is 

a) Whirlpool Galaxy
b) Black Eye Galaxy
c) Andromeda Galaxy
d) Milky Way Galaxy

Answer: d

Question 8: The Milky Way is classified as [UPPSC (Pre) 2001]

a) Spiral Galaxy
b) Elliptical Galaxy
c) Irregular Galaxy
d) Round Galaxy

Answer: a

Question 9: In irregular galaxies, quantity of gases and dust is 

a) zero
b) more than stars
c) less than stars
d) limited

Answer: b

Question 10: Milky Way galaxy has most of its stars 

a) on its boundary lines
b) in the center
c) at the corners
d) behind hits boundary lines

Answer: b

Question 11: The average distance between Sun and the last planet in the Solar system is 

a) 2873 million km
b) 4495 million km
c) 779 million km
d) None of these

Answer: b

Question 12: The mean distance from the Sun to the Earth is known as  [CDS 2008]

a) light year
b) parallactic second
c) astronomical unit
d) angstrom

Answer: c

Question 13: One astronomical unit is the average distance [JPSC (Pre) 2011, IAS (Pre) 1998]

a) between Earth and Sun
b) between Earth and Moon
c) between Jupiter and Sun
d) between Pluto and Sun

Answer: a

Question 14: Light from the Sun reaches us in nearly  [WBCS 2020]

a) 2 minutes
b) 8 minutes
c) 4 minutes
d) 16 minutes

Answer: b

Question 15 : Time taken by the Sun to revolve around the centre of our galaxy is [BPSC (Pre) 1995, IAS (Pre) 1994]

a) 2.5 crores years
b) 10 crores years
c) 25 crores years
d) 50 crores years

Answer: c

Question 16: Solar energy is due to [UPPSC (Pre) 2006]

a) ionisation
b) nuclear fusion
c) nuclear fission
d) oxidation

Answer: b

Question 17: Size of the Sun is how many times bigger than that of the Earth ? [MPPSC (Pre) 2014]

a) 124 times
b) 100 times
c) 109 times
d) 115 times

Answer: c

Question 18: Sun’s halo is produced by the refraction of light in [IAS (Pre) 2002]

a) water vapour in stratus clouds.
b) ice crystals in cirrocumulus clouds.
c) ice crystals in cirrus clouds.
d) dust particles in stratus clouds.

Answer: c

Question 19 : Which one among the following stars is nearest to the Earth? [CDS 2019]

a) Sirius
b) Arcturus
c) Spica
d)  Taurus

Answer: d

Question 20: The group of stars that indicates the direction of Poles is [BPSC (Pre) 1996]

a) Saptarishi
b) Mrig
c) Scorpio
d) Taurus

Answer: a

Question 21: The colour of the star indicates its [IAS (Pre) 1994]

a) distance from Sun
b) lighting or glow
c) distance from the Earth
d) temperature

Answer: d

Question 22: A group of stars arranged in a particular shape is called [UPPSC (Pre) 2013]

a) Milky Way
b) Constellation
c) Andromeda
d) Solar System

Answer: b

Question 23: What is constellation? [CDS 2019]

a) A particular pattern of equidistant stars from the Earth in the sky.
b) A particular pattern of stars that may not be equidistant from the Earth in the sky.
c) A particular pattern of planets of our solar system in the sky.
d) A particular pattern of stars, planets and satellites in the sky due to their position in the space.

Answer: b

Question 24: How many constellations are in our space? [BPSC (Pre) 2000]

a) 87
b) 88
c) 89
d) 90

Answer: b

Question 25 30: If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the [IAS (Pre) 2001]

a) Equator
b) Tropic of Cancer
c) South Pole
d) North Pole

Answer: 

Question 26:The limit beyond which stars suffer internal collapse is called [UPPSC (Pre) 1997]

a) Chandrashekhar limit
b) Eddington limit
c) Hoyle limit
d) Fowler limit

Answer: a

Question 27: The unit of measuring distance between the stars is known as [UKPSC (Pre) 2006]

a) Stellar mile
b) Cosmic km
c) Galactic unit
d) Light year

Answer: d

Question 28: The ‘Black Hole Theory’ was propounded by [UPPSC (Pre) 1996]

a) CV Raman
b) HJ Bhabha
c) S Chandrashekhar
d) Hargovind Khurana

Answer: c

Question 29: A ‘ Supernova’ is   

a) an asteroid
b) a black hole
c) a comet
d) a dying star

Answer: d

Question 30: Which of these is a celestial phenomenon occurring due to stars ? [UPPSC (Pre) 1997]

a) Ozone Hole
b) Black Hole
c) Rainbow
d) Comet

Answer: b

Question 31: Which one of the following is an object with such a strong gravitational field that even light cannot escape from its surface?

a) Neutron Star
b) White Dwarf
c) Black Hole
d) Supernova Star

Answer: c

Question 32: A ‘black hole’ is a body in space which does not allow any type of radiation to come out. This property is due to its [IAS (Pre) 2000]

a) very small size
b) very large size
c) high density
d) very low density

Answer: c

Question 33: A very small, hot object, which is, the last stage in the life cycle of a star is known as 

a) red giant
b) white dwarf
c) supernova
d) black hole

Answer: b

Question 34: Which one of the following is not found in space? [UPPSC (Pre) 1996]

a) Pulsar
b) Brittle Star
c) Black Hole
d) Quasar

Answer: b

Question 35: Which of the following does not belong to solar syatem? [BPSC 2011]

a) Asteroids
b) Comets
c) Planets
d) Nebulae

Answer: d

Question 36: The number of the planets in the solar system is [UPPSC (Pre) 1992]

a) 7
b) 8
c) 12
d) 21

Answer: b

Question 37: The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by [CDS 2017]

a) Galileo
b) Martin Luther
c) Johannes Kepler
d) Copernicus

Answer: c

Question 38: Which one of the following represents the inner planets? [Asst. Comm. 2019]

a) planets between the Sun and the Earth.
b) planets between the Sun and the belt of asteroids.
c) planets near the Earth.
d) planets around the Sun.

Answer: b

Question 39: Which of the following planets of our solar system has least mass ? [CDS 2019]

a) Neptune
b) Jupiter
c) Mars
d) Mercury

Answer: d

Question 40: Which one among the following is called terrestrial planet? [CDS 2012]

a) Mercury
b) Jupiter
c) Saturn
d) Uranus

Answer: a

Question 41: The hottest planet of the solar system is [BPSC (Pre) 1996]

a) Mercury
b) Venus
c) Mars
d) Earth

Answer: b

Question 42: In the sequence of planets in the solar system, which planet comes in between Mercury and Earth?

a) Mars
b) Uranus
c) Venus
d) Jupiter

Answer: c

Question 43: Which one among the following planet is smaller in size than the Earth? [NDA 2009]

a) Neptune
b) Venus
c) Saturn
d) Uranus

Answer: b

Question 44: The planet which is called twin sister of Earth is [UP Lower Sub (Pre) 2008]

a) Mercury
b) Venus
c) Mars
d) Pluto

Answer: b

Question 45: The two planets having no satellite are [UP Lower Sub (Pre) 2009]

a) Earth and Jupiter
b) Mercury and Venus
c) Mercury and Saturn
d) Venus and Mars

Answer: b

Question 46: Which of the planets is known as ‘Morning Star’ as well as ‘Evening Star’ because it is the first to appear in the evening and last to disappear in the morning?

a) Jupiter
b) Mars
c) Mercury
d) Venus

Answer: b

Question 47: Which of the given two planets are between Mars and Uranus in order of distance from the Sun? [IAS (Pre) 2008]

a) Earth and Jupiter
b) Jupiter and Saturn
c) Saturn and Earth
d) Saturn and Neptune

Answer: b

Question 48: Which is the largest planet in the solar system? [MPPSC(Pre) 1996]

a) Jupiter
b) Neptune
c) Uranus
d) Saturn

Answer: a

Question 49 : Which one of the following is the heaviest planet of our solar system? [CGPSC(Pre) 2003]

a) Jupiter
b) Venus
c) Pluto
d) Saturn

Answer: a

Question 50: The ring of Jupiter is composed of [UPPSC (Mains) 2004]

a) Silicates
b) Oxygen
c) Xenon
d) Ozone

Answer: a

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