The permanent tilt of the Earth's axis and the revolution of the Earth in its orbit together cause
Day and night
Varying lengths of day and night at different times of the year
Differences in time between places on different meridians
The deflection of winds
Correct Answer :
B. Varying lengths of day and night at different times of the year
Related Questions
The group of small pieces of rock revolving round the Sun between the orbits of Mars and Jupiter are called
meteors
comets
meteorites
asteroids
A celestial body which revolves round the Sun and receives heat and light from it is called _____.
Planet
Orion
Satellite
Star
What proportion of the mass of the earth does the mass of the Moon equal?
1/81
1/18
1/27
1/72
What is significant about the town of Greenwich?
The International Date Line passes through it
The 0° (Zero) meridian passes through it and therefore the world sets its time by it
It is at 180� longitude
It is a major horological research centre in Britain
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
Which one of the following stars is nearest to the Earth?
Polaris
Alpha Centauri
Sun
Sirius
One Astronomical Unit is the average distance between
Earth and the Sun
Earth and the Moon
Jupiter and the Sun
Pluto and the Sun
Which of the following is the largest ocean?
Indian
Pacific
Atlantic
Arctic
The Jupiter's atmosphere comprises mainly of
Hydrogen and oxygen
Carbondioxide and oxygen
Hydrogen and hydrogen compounds
Nitrogen and helium
Going into the interior of the earth the weight of an object
Increases
Decreases
Remains unchanged
First increases and then decreases
Planet with nearly equal rotation and revolution time to the earth is _____.
Venus
Mercury
Uranus
Mars
How much time does earth take in making one rotation on its axis with respect to a fixed star at infinite distance?
23 hours 56 minutes
24 hours
23 hours 46 minutes
24 hours 4 minutes
How much Is the average distance of the Sun from the Earth?
150 million km
145 million km
155 million km
140 million km
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
Which of the following is 'the cruel planet' in Indian astrology?
Jupiter
Saturn
Uranus
Neptune
When does the Vernal Equinox occur?
December 25
March 21
February 28
January 14
Largest planet of our Solar System is _____.
Jupiter
Mars
Saturn
Uranus
A swarm of small bodies in between the two Planets of Solar System is called 'asteroids' which are those two Planets?
Mars and Jupiter
Earth and Venus
Neptune and Pluto
Jupiter and Saturn
What is siderial day?
Time taken by the earth to complete one rotation with respect to a fixed star at infinity
Time taken by the earth to complete one revolution with respect to the Moon
Time taken by the earth to complete one rotation with respect to the Moon
Time taken by the earth to complete one rotation with respect to the Sun
How many planets does our Solar System consist of?
9
6
7
10
Brightest planet of our Solar System is _____.
Venus
Mercury
Uranus
Saturn
Nearest star from the earth after Sun is
Proxima Centaury
Alfa Centaury
Dog Star
Constellation
The term 'syzygy' is referred to when the
Earth is at prihelion and Moon at perigee
Earth is at aphelion and Moon at apogee
Moon and Sun are at right angles with reference to the Earth
Moon, Sun and Earth lie along a straight line
On which date is the Earth in 'aphelion'?
July-4
December-22
September-23
June-21
What is the geographical term for land's end, that tip of land which projects into the sea?
A headland
A spit
A peninsula
A cape
Hale Bopp' is a newly discovered ____.
Planet
Meteore
Satellite
Comet
Rapidly rotating stars emitting intense radio waves are called ___.
Pulsars
Quasuars
Neutron stars
All of the above
Which one of the following conditions is moat relevant for the presence of life on Mars?
Atmospheric composition
Thermal conditions
Occurrence of ice caps and frozen water
Occurrence of ozone
What is the difference between a lake and a tank?
A lake is small and a tank is big
A lake has flowing water, a tank has still water
A lake is a geographical feature, a tank is not
Both are land-enclosed water bodies, but the latter is man-made
How many satellites does the largest planet have?
Sixteen
Ten
Six
Nine