| Most Important MCQs on the topic ” Universe “(Ch-1). These questions are very important for SSC, Railways, Defence, CTET, State PCS, UPSC, Judiciary and all other examinations of India. |
Q. Which of the following planet takes the least time to orbit the Sun?
(A) Mars
(B) Mercury
(C) Earth
(D) Saturn
Q. The two planets having no satellite are______.
(A) Earth and Jupiter
(B) Mercury and Venus
(C) Mercury and Saturn
(D) Venus and Mars
Q. Which of the following pairs of planets is without satellites?
(A) Venus and Mars
(B) Mercury and Mars
(C) Earth and Jupiter
(D) Mercury and Venus
Q. Which one of the following is known as ‘Morning Star’?
(A) Mercury
(B) Venus
(C) Mars
(D) Saturn
Q. The planet which is called twin sister of Earth is______.
(A) Mercury
(B) Venus
(C) Mars
(D) Pluto
Q. Hottest planet of the solar system is______.
(A) Mercury
(B) Venus
(C) Mars
(D) Earth
Q. Which planet is known as the ‘Evening Star’?
(A) Mars
(B) Jupiter
(C) Venus
(D) Saturn
Q. The Space craft ‘Magellan’ was sent to ______.
(A) Pluto
(B) Saturn
(C) Mars
(D) Venus
Q. The diameter of Earth is______.
(A) 8,000 km
(B) 1,00,000 km
(C) 12,800 km
(D) None of the above
Q. Unlike the fluid core of the Earth the core of the Moon is______.
(A) Plasma
(B) Volatile gas
(C) Viscous liquid
(D) Solid
Q. Who amongst the following was the first to state that the Earth was spherical?
(A) Aristotle
(B) Copernicus
(C) Ptolemy
(D) Strabo
Q. In the form of organism, the Scientific name of Earth is______.
(A) Cow
(B) Sita
(C) Green Planet
(D) Harmij
Q. Chemical element found in abundance in the Earth’s crust is______.
(A) Oxygen
(B) Aluminium
(C) Iron
(D) Silicon
Q. Time taken by light emitted from Sun to reach Earth is______.
(A) 2 minutes
(B) 1 minute
(C) 8 minutes
(D) 16 minutes
Q. Which one of the following Stars is nearest to the Earth?
(A) Polaris
(B) Alpha Centauri
(C) Sun
(D) Sirius
Q. Which of the following planet is nearest to Earth?
(A) Neptune
(B) Mars
(C) Saturn
(D) Jupiter
Q. The planet nearest to the Earth is______.
(A) Venus
(B) Mercury
(C) Mars
(D) Jupiter
Q. In completing one revolution of the Sun, Earth takes approximately______.
(A) 365 days
(B) 365.25 days
(C) 365.5 days
(D) 365.75 days
Q. At which average speed the Earth revolve around the Sun?
(A) 20 km/sec
(B) 30 km/sec
(C) 40 km/sec
(D) 50 km/sec
Q. Approximately, how much distance per minute does Earth cover while revolving?
(A) 49 km
(B) 59 km
(C) 69 km
(D) 28 km
Q. The equatorial circumference of the Earth is nearly______.
(A) 31,000 km
(B) 40,000 km
(C) 50,000 km
(D) 64,000 km
Q. Earth’s axis is tilted at an angle of______.
(A) 23½ º
(B) 66½ º
(C) 33½ º
(D) 42½ º
Q. The Earth’s axis of rotation (polar axis) is always inclined at an angle of ______.
(A) 23.0º from the elliptic axis
(B) 23.1º from the elliptic axis
(C) 24.5º from the elliptic axis
(D) 23.5º from the elliptic axis
Q. The causes of Day and Night is______.
(A) Earth-rotation
(B) Rotation of Earth on its axis
(C) Tilt of Earth’s axis
(D) Moon’s rotation
Q. When the length of day and night is equal the Sunrays falls perpendicular at______.
(A) North pole
(B) Equator
(C) South pole
(D) Tropic of cancer
Q. Seasonal changes is caused by which one of special characteristic of Earth’s motion?
(A) Revolution around Sun
(B) Axial tilt by 23½ degree
(C) Both (A) and (B)
(D) Rotation on its axis
Q. What causes the change of Seasons?
(A) Earth’s rotation and revolution
(B) Earth’s revolution
(C) Earth’s revolution and inclination of its axis
(D) Earth’s rotation and inclination of its axis
Q. Consider one special point at the Earth’s surface (e.g., City Delhi) its temperature at noon (e.g., 12 O’ clock) will be higher in Summer in comparison to winter because______.
(A) Earth is much closer to Sun in Summer in comparison to winter
(B) In winter the Sun rays falling on the Earth bends more towards the Earth’s surface in comparison to the summer
(C) The vaporization of water happen only in winter due to environmental precipitation
(D) In winters the Earth’s axis becomes more inclined towards Sun
Q. If the distance between Sun and Earth is reduced by quarter to present distance, then probability of which one will increase______.
(A) Earth would fall into Sun
(B) Earth shall be burned
(C) The duration of our year will be decrease
(D) Earth will fly into space
Q. The possibility of desert on Earth is more______.
(A) Nearby 0º latitude
(B) Nearby 23º latitude
(C) Nearby 50º latitude
(D) Nearby 70º latitude
Q. A ball thrown outside from an artificial satellite revolving round the Earth will ______.
(A) Go to the Sun
(B) Go to the Moon
(C) Fall on the Earth
(D) Revolve round the Earth in the same orbit with the same time period as satellite
Q. In the structure of planet Earth, below the mantle, the core is mainly made up of which one of the following?
(A) Aluminium
(B) Chromium
(C) Iron
(D) Silicon
Q. World Earth Day is celebrated on______.
(A) 22 April
(B) 22 March
(C) 7 April
(D) 7 March
Q. Which one of the following may have alien life because of a very conductive environment to life?
(A) Jupiter
(B) Mars
(C) Europa-The Jupiter’s Moon
(D) Moon-The Earth’s Moon
Q. Phoenix Mars Lander landed on the surface of Mars on______.
(A) 27 June, 2008
(B) 27 May, 2008
(C) 26 June, 2008
(D) 26 May, 2008
Q. The duration of its day and tilt of its axis are almost identical to those of the Earth. This is true of_______.
(A) Uranus
(B) Neptune
(C) Saturn
(D) Mars
Q. Which one of the following conditions is most relevant for the presence of life on Mars?
(A) Atmospheric compositon
(B) Thermal conditions
(C) Occurrence of ice cap and frozen water
(D) Occurrence of ozone
Q. Which one of the following is heaviest planet of our Solar System?
(A) Jupiter
(B) Venus
(C) Pluto
(D) Saturn
Q. Among the following which planet takes maximum time for one revolution around the Sun?
(A) Earth
(B) Jupiter
(C) Mars
(D) Venus
Q. The Moons of the Planet Jupiter were discovered by_______.
(A) Newton
(B) Galileo
(C) Kepler
(D) Copernicus
Q. Which is the largest Planet in the Solar System?
(A) Jupiter
(B) Neptune
(C) Uranus
(D) Saturn
Q. The ring of Jupiter is composed of______.
(A) Silicates
(B) Non-existent
(C) Very thick and opaque
(D) All of the above
Q. Which one of the following planets has largest number of natural satellites or Moons?
(A) Jupiter
(B) Mars
(C) Saturn
(D) Venus
Q. After seven years of its journey spacecraft Cassini started its revolution in June-2004 around which planet?
(A) Mercury
(B) Jupiter
(C) Mars
(D) Saturn
Q. Planet Saturn ______.
(A) is colder than Jupiter
(B) is colder than Neptune
(C) Warmer than Neptune
(D) Warmer than Jupiter
Q. Time Saturn takes to complete one revolution around the Sun______.
(A) 18.5 years
(B) 36 years
(C) 29.5 years
(D) 84 years
Q. Which of the following planets has rings around it?
(A) Saturn
(B) Mars
(C) Mercury
(D) Earth
Q. Titan is the largest Moon of the Planet _______.
(A) Mars
(B) Venus
(C) Jupiter
(D) Saturn
Q. Which planet takes the longest period in revolving around the Sun?
(A) Uranus
(B) Jupiter
(C) Neptune
(D) Mercury
Q. According to a new definition adopted by ‘International Astronomical Union’ in 2006, which of the following is not a ‘planet’?
(A) Uranus
(B) Neptune
(C) Pluto
(D) Jupiter
Q. For one revolution around the Sun, Uranus takes ______.
(A) 84 years
(B) 36 years
(C) 18 years
(D) 48 years
Q. The year is largest on______.
(A) Uranus
(B) Jupiter
(C) Neptune
(D) Earth
Q. Which is the smallest planet of the Solar System?
(A) Earth
(B) Mars
(C) Venus
(D) Mercury
Q. The coldest planet in the Solar System is_______.
(A) Neptune
(B) Jupiter
(C) Mars
(D) Saturn
Q. Which of the following planets is the farthest planet of the Solar System?
(A) Neptune
(B) Earth
(C) Saturn
(D) Mars
Q. On the surface of the Moon, two persons cannot listen each other as______.
(A) Their ears stops working at the Moon
(B) There is no atmosphere on the Moon
(C) They wear special types of space suits on the Moon
(D) Sound travels very slow on the Moon
Q.When does a Lunar eclipse take place?
(A) When the Moon comes between the Sun and the Earth
(B) When the Earth comes between the Sun and the Moon
(C) When the Sun comes between the Earth and the Moon
(D) None of the above
Q. When did man first land on the Moon?
(A) 1953
(B) 1963
(C) 1971
(D) 1969
Q. The ‘Sea of Tranquitity’ lies on______.
(A) Earth
(B) Sun
(C) Jupiter
(D) Moon
Q. Lunar Eclipse is caused when_______.
(A) Moon comes in between Earth and Sun
(B) Earth comes between Sun and Moon
(C) Sun comes between Earth and Moon
(D) Sun and Moon coincide
Q. In which situation Lunar eclipse occurs?
(A) Half Moon
(B) New Moon
(C) Full Moon
(D) None of these
Q. The main condition responsible for greater brightness of the Moon on the full Moon day of 22nd Dec. 99 was _______.
(A) Aphelion
(B) Perihelion
(C) Apogee
(D) Perigee
Q. When the Moon size is half of the full Moon, the angle between the Sun, the Earth and the Moon is______.
(A) 45º
(B) 90º
(C) 180º
(D) 270º
Q. Choose the odd one.
(A) Mars
(B) Mercury
(C) Moon
(D) Earth
Q. Which of the following is not a planet?
(A) Moon
(B) Earth
(C) Mars
(D) Mercury
Q. The ‘blue Moon’ phenomenon occurs when_______.
(A) Two full Moons occur in the same month
(B) Four full Moons appear in two consecutive months of the same calendar year
(C) Two full Moon appear in the same month, thrice in a calendar
(D) None of the above
Q. When any object is taken from the Earth to the Moon______.
(A) Its weight increases
(B) Its weight decreases
(C) There is no change in its weight
(D) It becomes totally weightless
Q. The distance of Moon from the Earth is ______.
(A) 384 thousand km
(B) 300 thousand km
(C) 446 thousand km
(D) 350 thousand km
Q. A country by sending its ‘SELENE’ (Selenological and Engineering Explorer) in the orbit of the Moon became the first country in Asia. The country which achieved this fame is ______.
(A) Japan
(B) China
(C) India
(D) Pakistan
Q. The asteroids are small celestial bodies in the solar system which are found between the planets.
(A) Mercury and Venus
(B) Mars and Jupiter
(C) Jupiter and Saturn
(D) Neptune and Saturn
Q. The group of small pieces of rock revolving round the Sun between the orbits of Mars and Jupiter are called _______.
(A) Meteors
(B) Comets
(C) Meteroid
(D) Asteroids
Q. With which planet comet Shoemaker Levy Collided_______.
(A) Pluto
(B) Mars
(C) Jupiter
(D) Saturn
Q. Meteor is a ______.
(A) Fast moving star
(B) A piece of matter which has entered the Earth atmosphere from outer space
(C) Part of stellar system
(D) Tailles Comet
Q. The tail of comet is directed away from the Sun, because______.
(A) As the Comet rotate around the Sun, the lighter mass of Comet is pushed away due to centrifugal force alone
(B) As the Comet rotates, the lighter mass of the Comet is attracted by some stars situated in the direction of its tail
(C) The radiation emitted by the Sun exerts a radial pressure on the comet throwing its tail away from the Sun
(D) The tail of the Comet always exists in the same orientation
Q. Hale-Bopp is the name of a_______.
(A) Comet
(B) Cartoon Character
(C) International Company
(D) Toy