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
When are day and night equal all over the earth?
- Aon the orbital plane
- Bsummer solstice
- Cwinter solstice
- Don the day of the equinox
Question 2 of 50
The earth rotates on its axis-
- AEast to west
- BWest to East
- CNorth South
- DSouth to North
Question 3 of 50
The surface of the Moon visible from Earth is what percentage of its total surface area?
- A33
- B59
- C69
- D70
Question 4 of 50
What do the red spots on the planet Jupiter indicate?
- Agas
- Bliquids
- Cturbulent clouds
- Dland
Question 5 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 6 of 50
The speed of the Earth's revolution around the Sun
- Aremains the same throughout the year
- Bis greatest when the Earth is closest to the Sun
- CIt is maximum when the Earth is at its maximum distance from the Sun.
- Dis at its minimum when the Earth is closest to the Sun
Question 7 of 50
Which planet is between Mars and Saturn in the order of planets in the solar system?
- AVesper
- BArun
- CMercury
- DJupiter
Question 8 of 50
The natural satellite of the Earth is-
- AAryabhata
- BRohini
- CMoon
- DFortunate
Question 9 of 50
What is the part above the Sun called?
- Ahyposphere
- Bphotosphere
- Cchromosphere
- Dstratosphere
Question 10 of 50
What are the four planets closest to the Sun called?
- Aterrestrial planets
- BGiant planets
- Cdwarf planet
- DGaseous planets
Question 11 of 50
'Titan' is the satellite of which planet?
- ANeptune
- BUranus
- CSaturn
- DVesper
Question 12 of 50
Which of the following planets has a distinct ring around it?
- AUranus
- BJupiter
- CSaturn
- DFortunate
Question 13 of 50
Which is the largest satellite of Saturn?
- ATitan
- BAtlas
- CTelesto
- DLapets
Question 14 of 50
The planet that appears red in colour is-
- AVesper
- BSaturn
- CFortunate
- DJupiter
Question 15 of 50
Titan, one of the largest satellites of the solar system, is a satellite of which of the following?
- AJupiter
- BSaturn
- CUranus
- DNeptune
Question 16 of 50
Oberon, Titania, Ariel, Umbriel and Miranda - these five are satellites of which planet?
- AJupiter
- BArun
- CVarun
- DFortunate
Question 17 of 50
What is the minimum distance of a planet from the Sun in its orbit called?
- APerihelion
- Baphelion
- CApogee
- DPerigee
Question 18 of 50
Which is the second largest planet in the solar system?
- AArun
- BVarun
- CSaturn
- DEarth
Question 19 of 50
Daylight is visible at the North Pole on June 21st
- Azero hours
- B12 hours
- C18 hours
- D24 hours
Question 20 of 50
Which of the given pairs regarding solstice and equinox is not correct?
- AMarch 21 - Equator
- BJune 21 - Tropic of Cancer
- CDecember 22 - Tropic of Capricorn
- DSeptember 23 - North Pole
Question 21 of 50
The "heliocentric model" of the solar system was first proposed by?
- AKepler
- BGalileo
- CHerschel
- DCopernicus
Question 22 of 50
Who discovered Uranus?
- AHerschel
- BGalileo
- CCopernicus
- DKepler
Question 23 of 50
'Ursa Menger' or 'Big Bear' is a type of ........
- Astar
- Bconstellation
- CPlanet
- Dsatellite
Question 24 of 50
The condition of 'solar eclipse' is considered to be -
- Awhen the Earth comes between the Moon and the Sun
- Bwhen the moon comes between the sun and the earth
- Cwhen it is the new moon day
- Dwhen it is a full moon day
Question 25 of 50
Which of the following planets is known as the 'lying planet' due to its greater inclination towards the Sun on its axis?
- AJupiter
- BSaturn
- CArun
- DVarun
Question 26 of 50
The nearest planet to the Earth is-
- AMercury
- BVesper
- CJupiter
- DFortunate
Question 27 of 50
Which planet was worshipped as a goddess by the Europeans?
- AVesper
- BEarth
- CFortunate
- DMercury
Question 28 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 29 of 50
Saturn is the planet-
- Acolder than Pluto
- Bcolder than Neptune
- Chotter than Neptune
- Dhotter than Jupiter
Question 30 of 50
The first asteroid discovered is-
- ASiris
- BPalas
- CJuno
- DVesta
Question 31 of 50
The brightest planet is-
- AJupiter
- BFortunate
- CVesper
- DMercury
Question 32 of 50
The Earth is closest to the Sun around ______ every year.
- A3 July
- B3 May
- C3 January
- DMarch 3
Question 33 of 50
What is a constellation?
- Aa special shape in the sky of stars equidistant from the earth
- BA special shape in the sky of stars that cannot be equidistant from the Earth.
- CA special shape in the sky of the planets of our solar system
- DThe position of stars, planets and satellites in space creates a specific shape in the sky.
Question 34 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 35 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 36 of 50
Which planet is also called the 'Blue Planet'?
- AEarth
- BSaturn
- CFortunate
- DVesper
Question 37 of 50
On which of the following dates do the sun's rays fall directly on the equator?
- Aall the year
- B21 March
- C23 September
- D21 March and 23 September
Question 38 of 50
In which month does the perihelion position of the Sun occur?
- Ajune
- BJanuary
- CSeptember
- Dmarch
Question 39 of 50
What is the distance of the Earth from the Sun?
- A107.7 million km.
- B142.7 million km.
- C146.7 million km.
- D149.6 million km.
Question 40 of 50
What is the name of a small celestial body that revolves around a planet?
- APlanet
- Bsatellite
- CAsteroids
- Dsolar star
Question 41 of 50
Which planet emits green light?
- AJupiter
- BVesper
- CUranus
- DVarun
Question 42 of 50
How much time does it take for the light of the star nearest to the Earth, other than the Sun, to reach the Earth?
- A4.5 hours
- B4.5 days
- C4.5 months
- D4.5 years
Question 43 of 50
The hottest planet in the solar system is
- AMercury
- BFortunate
- CVesper
- DEarth
Question 44 of 50
Apart from Earth, on which planet is the atmosphere found?
- AMercury
- BJupiter
- CVesper
- DFortunate
Question 45 of 50
Which of the following planets has the highest average density?
- AJupiter
- BFortunate
- CEarth
- DMercury
Question 46 of 50
At what approximate speed does the Earth revolve around the Sun in its orbit?
- A5 degrees per day
- B2 degrees per day
- C1 degree per day
- D3 degrees per day
Question 47 of 50
The planets between which asteroids are found are-
- AMars and Venus
- BJupiter and Saturn
- CMars and Jupiter
- DSaturn and Arun
Question 48 of 50
Which of the following planets has the highest density?
- AMercury
- BVesper
- CJupiter
- DEarth
Question 49 of 50
What is the rotation of the Earth on its imaginary axis called?
- Acruises
- BClass
- Crotation
- Dnone of these
Question 50 of 50
Which planet is surrounded by the most gases?
- AJupiter
- BPluto
- CUranus
- DVenus