Solar System: MCQ Test
50 questions · pick one option for each · submit when you finish to see your score and the correct answers.
Question 1 of 50
What is the rotation of the Earth on its imaginary axis called?
- Acruises
- BClass
- Crotation
- Dnone of these
Question 2 of 50
The speed of rotation of the Earth is -
- A27 km/m
- B31 km/m
- C25 km/m
- D39.5 km/m
Question 3 of 50
What is the central part of the Sun called?
- Astratosphere
- Bphotosphere
- Cchromosphere
- Dlithosphere
Question 4 of 50
The only satellite of the Earth is
- ADeimos
- BMoon
- CTitan
- DLapetus
Question 5 of 50
Which of the following planets has a distinct ring around it?
- AUranus
- BJupiter
- CSaturn
- DFortunate
Question 6 of 50
Which of the following planets has the most natural satellites or moons?
- AJupiter
- BFortunate
- CSaturn
- DVesper
Question 7 of 50
'Magellan Expedition' is related to which planet?
- AFortunate
- BSaturn
- CJupiter
- DVesper
Question 8 of 50
Which of the following planets is called 'Earth's sister'?
- AMercury
- BVesper
- CFortunate
- DJupiter
Question 9 of 50
Why are stars more visible in the west than in the east?
- AThe entire universe is rotating from east to west.
- Bthe earth is revolving around the sun
- Cthe earth is rotating from east to west
- Dthe earth is rotating from west to east
Question 10 of 50
Who discovered the solar system?
- AGalileo
- BJ.L. Baird
- CCopernicus
- DKepler
Question 11 of 50
Which planet is made of thick white and yellow clouds of sulfuric acid?
- AVesper
- BNeptune
- CFortunate
- DArun
Question 12 of 50
In which region is the midnight sun visible?
- Ain the Mediterranean region
- Bin the equatorial zone
- Cin the Arctic region
- Din the region east of Japan
Question 13 of 50
When the duration of day and night is equal, the sun rays fall directly on
- Aat the North Pole
- BAt the equator
- Cat the South Pole
- Don the Tropic of Cancer
Question 14 of 50
The planet smaller in size than the Earth is-
- AArun and Mars
- BVaruna and Venus
- CVenus and Mars
- DVaruna and Mars
Question 15 of 50
The outermost layer of the Sun is called
- Achromosphere
- Bphotosphere
- CCorona
- Dlithosphere
Question 16 of 50
Which is the smallest planet in the solar system?
- AMercury
- BVesper
- CFortunate
- DEarth
Question 17 of 50
Which of the following statements is/are correct with reference to the Northern Hemisphere?
- AThe spring equinox occurs on March 21st
- BThe northern solstice occurs on December 22
- CThe autumnal equinox occurs on September 23
- DThe Southern Solstice occurs on June 21st.
Question 18 of 50
How many days does the Moon take to revolve around the Earth?
- Aapproximately 28.1 days
- Bapproximately 30.2 days
- Capproximately 27.3 days
- Dapproximately 28.3 days
Question 19 of 50
Which of the following is the largest satellite of the solar system?
- ATitan
- BMiranda
- CMoon
- DGanymede
Question 20 of 50
The planet with the lowest density in the solar system is-
- AArun
- BVarun
- CEarth
- DSaturn
Question 21 of 50
Which of the following planets takes the maximum time to revolve around the Sun?
- AEarth
- BJupiter
- CFortunate
- DVesper
Question 22 of 50
Apart from Earth, on which planet is there a possibility of human presence?
- AFortunate
- BMercury
- CVesper
- DSaturn
Question 23 of 50
The brightest star in the sky is
- AProchisma Century
- BBernard
- CNebula
- DSerious
Question 24 of 50
If the atmosphere is assumed to be removed from between the Earth and space, what will be the colour of the sky?
- ABlue
- BRed
- CWhite
- DBlack
Question 25 of 50
The length of a planet's day and the tilt of its axis are approximately equal to the length of Earth's day and tilt.
- AAbout Uranus
- BAbout Neptune
- CAbout Saturn
- DAbout Mars
Question 26 of 50
What are the four planets closest to the Sun called?
- Aterrestrial planets
- BGiant planets
- Cdwarf planet
- DGaseous planets
Question 27 of 50
'Ursa Menger' or 'Big Bear' is a type of ........
- Astar
- Bconstellation
- CPlanet
- Dsatellite
Question 28 of 50
Which of the following planets has the highest rotational speed?
- AMercury
- BVesper
- CFortunate
- DJupiter
Question 29 of 50
What is a 'Blue Moon'?
- Athe first full moon of the month
- BThe second full moon of the month
- Canother name for the moon
- DThe moon during a lunar eclipse
Question 30 of 50
The 'exploding star' in the universe is called -
- AComet
- Bmeteor
- Cseductive
- DInnovative star
Question 31 of 50
Who was the first person to reach the South Pole?
- AMagellan
- BAmerigo Vespucci
- CPeary
- DAmundsen
Question 32 of 50
Which of the following is the correct order of planets according to their increasing distance from the Sun?
- AMercury, Venus, Earth, Mars
- BMercury, Earth, Mars, Venus
- CMercury, Mars, Earth, Venus
- DMercury, Mars, Venus, Earth
Question 33 of 50
The first asteroid discovered is-
- ASiris
- BPalas
- CJuno
- DVesta
Question 34 of 50
The descending order of the planets of the solar system according to their size is -
- AJupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars and Mercury
- BJupiter, Saturn, Neptune, Uranus, Earth, Venus, Mercury and Mars
- CJupiter, Saturn, Uranus, Neptune, Earth, Mercury, Mars and Venus
- DJupiter, Saturn, Uranus, Neptune, Venus, Earth, Mars and Mercury
Question 35 of 50
The nearest planet to the Earth is-
- AMercury
- BVesper
- CJupiter
- DFortunate
Question 36 of 50
Who among the following is called the "God of Beauty"?
- AMercury
- BVesper
- CJupiter
- DSaturn
Question 37 of 50
Which of the following planets is located at the farthest distance from both the Sun and the Earth?
- AMercury
- BFortunate
- CNeptune
- DSaturn
Question 38 of 50
What is the approximate equatorial diameter of the Earth?
- A12,700 KM
- B12,750 KM
- C12,650 KM
- D12,600 KM
Question 39 of 50
Which of the following planets has a ring around it?
- AJupiter
- BArun
- CVarun
- DSaturn
Question 40 of 50
The largest planet in the solar system is-
- AUranus
- BShuk
- CJupiter
- DSaturn
Question 41 of 50
Which of the following celestial bodies takes equal time for both revolution and rotation?
- AMoon
- BMercury
- CVesper
- DSaturn
Question 42 of 50
What is a 'planet'?
- Anon-luminous objects that flicker
- Bluminous bodies that twinkle
- Cluminous bodies that do not twinkle
- Dnon-flickering objects
Question 43 of 50
On which date is the shortest day in the Northern Hemisphere?
- A21 June
- B22 December
- C23 September
- D21 March
Question 44 of 50
Which are the nearest planets to the Sun and the Earth respectively?
- AMercury and Venus
- BVenus and Mercury
- CMercury and Mars
- DMercury and Jupiter
Question 45 of 50
Which part of the Sun is visible during a total solar eclipse?
- AREET
- Blight board
- Ccharacter set
- Dnone of these
Question 46 of 50
What is the number of terrestrial planets?
- A3
- B4
- C5
- D6
Question 47 of 50
What is the angle of the Earth's axis with the orbital plane while revolving on its orbit?
- A231/2⁰
- B661/2⁰
- C90⁰
- D0⁰
Question 48 of 50
The tail of a comet is visible beyond the Sun because -
- AAs the comet rotates around the Earth, its lighter mass is eroded away due to centrifugal force alone.
- BAs a comet rotates, its lighter mass is attracted by a star in the direction of its tail.
- CRadiation emitted by the Sun exerts vegetative pressure on the comet, causing its tail to be deflected away from the Sun.
- DThe tail of a comet always remains in the same orientation
Question 49 of 50
Which planet in the solar system is almost as big as the Earth?
- AMercury
- BMangal
- CVesper
- DYama
Question 50 of 50
On which planet is Mount Nix Olympia Columbus located?
- AMercury
- BVesper
- CEarth
- DMars, Venus, Jupiter, Mercury