What is the primary cause of seasonal change on the surface of the earth?
Earth's revolution and inclination of its axis
Revolution
Earth's rotation and inclination of its axis
Rotation
Correct Answer :
A. Earth's revolution and inclination of its axis
Related Questions
A family or system of millions and millions of stars are called ____.
Universe
Solar System
Galaxy
Asteroids
A 'black hole' is a body in space which does not allow any radiation to come out. This property is due to its
Very small size
Very large size
Very high density
Very low density
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
How much time does the earth take in completing one rotation on its axis in relation to sun?
23 hours 56 minutes
24 hours
23 hours 46 minutes
24 hours 4 minutes
Which two Planets do not have any satellites?
Venus and Mercury
Venus and Uranus
Venus and Neptune
Mercury and Uranus
Smallest planet of our Solar System is _____.
Pluto
Earth
Venus
Mercury
The tail of a comet is directed away from the Sun because
as the comet rotates around the Sun, the light mass of the comet is pushed away due to the centrifugal force alone
as the comet rotates, the lighter mass of the comet is attracted by some star situated in the direction of its tail
the radiation emitted by the Sun exerts a radial pressure on the comet throwing its tail away from the Sun
the tail of the comet always exists in the same orientation
The dark patches, associated with the Sun storms present in Sun are called
Sunspots
Pulsars
White Dwarfstar
Supernova
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
An imaginary belt of 12 constellations or group of stars la called
Zodiac
Steller group
Pulsar
Zodiacal light
Planet with maximum satellites is _____.
Earth
Saturn
Jupiter
Pluto
Consider the following statements regarding asteroids:
1. Asteroids are rocky debris of varying sizes orbiting the Sun.
2. Most of the asteroids are small but some have diameter as large as 1000 km.
3. The orbit of asteroids lies between the orbits of
1, 2 and 3 are correct
2 and 3 are correct
1 and 2 are correct
1 and 3 are correct
A celestial body which revolves round a planet just as a planet revolves round the Sun is called _____.
Moon
Asteroid
Satellite
Great Bear
The Sun experiences magnetic storms and this Interferes with the magnetic field oC the Earth and produces light which are called
Quasars
Polar Auroras
Meteorites
Pulsar
Polar Auroras are called __ in Southern Hemisphere.
Aurora Australis
Quasars
Aurora Borealis
Pulsar
The inclination of the earth's axis, i.e. the earth's axis is tilted at an angle from perpendicular to the orbital plane or makes an angle with the plane of the earth's orbit. What are these respective angles?
What la the difference between a gulf and a bay?
A gulf is big and a bay is small
A gulf is at a rivermouth and a bay is not
A bay is surrounded by cliffs and a gulf by lowland
Both are part of the sea that extend considerably into the land, but a bay usually has a wider entrance than a gulf
How much Is the average distance of the Sun from the Earth?
150 million km
145 million km
155 million km
140 million km
If the Sun dies It will be transformed Into a
White Dwarf
Black Dwarf
Quasar
All of the above
A celestial body which revolves round the Sun and receives heat and light from it is called _____.
Planet
Orion
Satellite
Star
Which star has the largest percentage In the universe
Single stars
Binary stars
Multiple stars
Cephied stars
The atmospheric� pressure on the surface of Venus is more than__ times the atmospheric pressure of the Earth.
90
80
50
100
Halley's comet visits us after every.
66 years
76 years
86 years
96 years
What does perigee mean?
The position of the moon farthest from the earth
The position of the earth nearest to the Sun
The position of the moon nearest to the earth
The position of the earth farthest from the Sun
The word 'satellite' means _____.
wanderer
settlement
light
a smaller companion to anything
Deimos and Phobos are the satellites of
Earth
Mars
Uranus
Neptune
Which of the following is 'the cruel planet' in Indian astrology?
Jupiter
Saturn
Uranus
Neptune
Shoemaker-Levy 9 is a
Meteors
Pole Stars
Comets
Stars
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
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