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
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 2 of 50
Which planet is also called the 'Blue Planet'?
- AEarth
- BSaturn
- CFortunate
- DVesper
Question 3 of 50
Which of the following is not a part of the solar system?
- AAsteroids
- BComet
- CPlanet
- Dnebula
Question 4 of 50
Which of the following planets revolves around the Sun in the shortest time?
- AMercury
- BVesper
- CEarth
- DFortunate
Question 5 of 50
What is 'CGG'?
- Athe position of the Sun, Earth, and Moon in a straight line
- Bthe position of the Earth between the Sun and the Moon
- Cthe position of the sun and the moon on the same side of the earth
- Dthe position of the Sun, Moon, and Earth at right angles
Question 6 of 50
Due to the presence of which gas the planet Varuna appears green in colour?
- Amethane
- Bammonia
- Cnitrogen
- Dhydrogen and helium
Question 7 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 8 of 50
The cause of lunar eclipse is-
- Athe Moon coming between the Earth and the Sun
- Bthe Sun coming between the Earth and the Moon
- CEarth coming between the Sun and the Moon
- Dall of the above
Question 9 of 50
On which date is the longest day in the Northern Hemisphere?
- A21 March
- B21 June
- C23 September
- D22 December
Question 10 of 50
Which of the following scientists proved that the path of each star around the Sun is elliptical?
- AKepler
- BGalileo
- CNewton
- DCopernicus
Question 11 of 50
Where is the Sea of Tranquility?
- AEarth
- BSun
- CJupiter
- DMoon
Question 12 of 50
The planet that appears red in colour is-
- AVesper
- BSaturn
- CFortunate
- DJupiter
Question 13 of 50
The duration of day and night on Earth is equal in -
- Aat the poles
- BAt the equator
- Con the Tropic of Capricorn
- Don the Tropic of Cancer
Question 14 of 50
The planets between which asteroids are found are-
- AMars and Venus
- BJupiter and Saturn
- CMars and Jupiter
- DSaturn and Arun
Question 15 of 50
The Earth is closest to the Sun around ______ every year.
- A3 July
- B3 May
- C3 January
- DMarch 3
Question 16 of 50
The speed of rotation of the Earth is -
- A27 km/m
- B31 km/m
- C25 km/m
- D39.5 km/m
Question 17 of 50
Which of the following stars is closest to the Earth?
- Apole Star
- BAlpha Century
- CSun
- Dseductive
Question 18 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 19 of 50
Which planet appears red in the night sky?
- AMercury
- BFortunate
- CJupiter
- DSaturn
Question 20 of 50
What is the duration of the day at the poles?
- A3 month
- Bsix months
- Cnine months
- Dtwelve months
Question 21 of 50
On which day is the Earth closest to the Sun?
- A4th of July
- B21 March
- C23 September
- D3 January
Question 22 of 50
Where is the calm sea and the ocean of storms located?
- AMoon
- BVarun
- CJupiter
- DSaturn
Question 23 of 50
What is the number of outer planets or Jupiter-like planets?
- A6
- B5
- C4
- D3
Question 24 of 50
How much is the Earth's polar diameter less than its equatorial diameter?
- A25 KM
- B43 KM
- C80 KM
- D30 KM
Question 25 of 50
Which of the following planets has a ring around it?
- AJupiter
- BArun
- CVarun
- DSaturn
Question 26 of 50
The surface of the Moon visible from Earth is what percentage of its total surface area?
- A33
- B59
- C69
- D70
Question 27 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 28 of 50
Who among the following first said that the earth is round?
- AAristotle
- BCopernicus
- CStrabo
- Dnone of these
Question 29 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 30 of 50
Lunar eclipse occurs in-
- Aon the new moon day
- Bon the full moon day
- Con the day of the crescent moon
- DBoth A and B above
Question 31 of 50
The nearest planet to the Earth is-
- AMercury
- BVesper
- CJupiter
- DFortunate
Question 32 of 50
Which of the following planets in our solar system has the least mass?
- AVarun
- BJupiter
- CFortunate
- DMercury
Question 33 of 50
The only satellite of the Earth is
- ADeimos
- BMoon
- CTitan
- DLapetus
Question 34 of 50
Which planet comes between Mercury and Earth in the sequence of planets of the solar system?
- AJupiter
- BArun
- CVesper
- DFortunate
Question 35 of 50
How much time does it take for the Earth to complete one rotation on its axis?
- A24 hour
- B23 hours 56 minutes 4 seconds
- C23 hours 30 minutes
- D23 hours 10 minutes 2 seconds
Question 36 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 37 of 50
Which is the smallest planet in the solar system?
- AMercury
- BVesper
- CFortunate
- DEarth
Question 38 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 39 of 50
Which planet is between Mars and Saturn in the order of planets in the solar system?
- AVesper
- BArun
- CMercury
- DJupiter
Question 40 of 50
Which astronomer first observed the planet Saturn?
- AGalileo
- BCopernicus
- CPtolemy
- DKepler
Question 41 of 50
Which of the following planets of the solar system is the coldest planet?
- ANeptune
- BEarth
- CFortunate
- DMercury
Question 42 of 50
Who first measured the circumference of the Earth?
- AHicataeus
- BHerodotus
- CAristotle
- DEratosthenes
Question 43 of 50
'The spherical earth is flattened at the poles' is clearly proved by the fact -
- AThe Earth's weight is greatest at the poles and least at the equator.
- BThe weight of matter is minimum at the poles and maximum at the equator.
- CThe weight of matter is the same at the poles and the equator.
- DMatter loses its mass at the poles
Question 44 of 50
Which is the outermost planet of the solar system?
- AEarth
- BUranus
- CNeptune
- DSaturn
Question 45 of 50
Which of the following celestial bodies is called 'Son of the Earth'?
- AMercury
- BVesper
- CMoon
- DFortunate
Question 46 of 50
What is the average distance (approximately) between the Sun and the Earth?
- A70×105 KM
- B100×105 KM
- C110×106 KM
- D150×106 KM
Question 47 of 50
The outermost layer of the Sun is called
- Achromosphere
- Bphotosphere
- CCorona
- Dlithosphere
Question 48 of 50
Jupiter-like planets do not include -
- ASaturn
- BArun
- CVarun
- DMars, Venus, Jupiter, Mercury
Question 49 of 50
Which of the following planets has a distinct ring around it?
- AUranus
- BJupiter
- CSaturn
- DFortunate
Question 50 of 50
Which of the following planets has the highest density?
- AMercury
- BVesper
- CJupiter
- DEarth