Which of the following statements is correct with reference to our Solar System?
The Earth is the densest of all the Planets in our Solar System
The predominant element in the composition of Earth is silicon
The sun contains 75 per cent of the mass of the Solar System
The diameter of the Sun is 190 times that of the Earth
Correct Answer :
A. The Earth is the densest of all the Planets in our Solar System
Related Questions
Which of the following statements is correct with reference to our Solar System?
The Earth is the densest of all the Planets in our Solar System
The predominant element in the composition of Earth is silicon
The sun contains 75 per cent of the mass of the Solar System
The diameter of the Sun is 190 times that of the Earth
What is the primary cause of the day and night?
Revolution
Rotation
Inclination of the earth's axis
Geoid shape of the earth
How much time (approximately) does the light from the nearest star to the Sun take in reaching the earth?
4.3 seconds
4.3 years
4.3 minutes
4.3 hours
One Astronomical Unit is the average distance between
Earth and the Sun
Earth and the Moon
Jupiter and the Sun
Pluto and the Sun
What is the direction of rotation of the earth on its axis?
East to West
South to North
North to South
West to East
The shortest route between two places is along the
longitudes
latitudes
rivers
direction of winds
The most important constituent of the Sun's mass is.
Hydrogen
Helium
Silicon
Iron
1 and 2
2 and 3
3 and 4
1,2 and 4
Which two Planets do not have any satellites?
Venus and Mercury
Venus and Uranus
Venus and Neptune
Mercury and Uranus
What is a narrow waterway separating two bits of land called?
A bay
A gulf
A strait
An isthmus
The Jupiter's atmosphere comprises mainly of
Hydrogen and oxygen
Carbondioxide and oxygen
Hydrogen and hydrogen compounds
Nitrogen and helium
Average temperature of the Earth is.
14°C
24°C
34°C
20°C
Which planet is called 'red planet'?
Mars
Jupiter
Mercury
Venus
The date on which the Sun is vertical over the 'Tropic of Capricorn' is
December-22
March-21
June-21
September-23
What is a 'synodic month'?
Moon's period of rotation on its axis with respect to the earth.
Moon's period of revolution around the earth.
Moon's period of revolution with respect to a star at infinity
Moon's period of revolution with respect to the Sun
What happens during the equinoxes?
The countries along the Equator are in darkness
The countries along the Equator are at their hottest
The countries along the Equator are at their wettest
The Sun shines vertically over the Equator
Going into the interior of the earth the weight of an object
Increases
Decreases
Remains unchanged
First increases and then decreases
Big Bang Theory' explains
the formation of universe
the origin and evolution of earth's crust
formation of Solar System
formation of constellation
What is the Southern Cross?
Position of the Sun during summer solstice
Position of the vertical Sun during winter solstice
A star showing the position of the South Pole
Point of intersection of Antarctic Circle and the Prime Meridian
The time taken by the sun to revolve around the centre or our galaxy is
25 million yrs
100 million yrs
250 million yrs
500 millionyrs
To a space traveller stationed in Moon, during the day time the lunar sky will appear
Blue
White
Black
Crimson Red
The rate of rotation of the Earth on its axis is the highest on which of the following date?
It never changes
January-4
January-3
January-21
The atmospheric� pressure on the surface of Venus is more than__ times the atmospheric pressure of the Earth.
90
80
50
100
If the Sun dies It will be transformed Into a
White Dwarf
Black Dwarf
Quasar
All of the above
Nearest star to the earth is _____.
Alfa Centaury
Sun
Proxima Centaury
Dog Star
Which one of the following stars is nearest to the Earth?
Polaris
Alpha Centauri
Sun
Sirius
When the earth is at its maximum distance from the Sun it is said to be in
Perigee
Apogee
Perihelion
Aphelion
What is peninsula?
A narrow belt of land
A mountainous island
A piece of land surrounded by water on three sides
A range of hills
A celestial body having its own heat and light is called
Planet
Moon
Star
Satellite
The length of its day and the tilt of its axis are almost identical to those of the Earth. This is true or
Uranus
Neptune
Saturn
Mars
Which planet does take the longest time in completing one revolution around the Sun?
Uranus
Saturn
Pluto
Neptune