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4

What is the primary cause of seasonal change on the surface of the earth?

A. Earth's revolution and inclination of its axis

B. Revolution

C. Earth's rotation and inclination of its axis

D. Rotation

Correct Answer :

A. Earth's revolution and inclination of its axis


Related Questions

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4

The name of our galaxy is _______

A. Alfa Centauri

B. Proxima Centauri

C. Milky Way

D. Neptune

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4

How many of the following statements are true?
1. Mean Solar Day is greater than Sidereal Day approximately by 4 minutes.
2. Earth's rotational velocity is decreasing.
3. Planets are arranged according to their increasing distance from the sun as follo

A. 3 and 4

B. 1, 3 and 4

C. 1 and 2

D. 1, 2, 3 and 4

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4

Which planet does take the least time in completing one revolution around the Sun?

A. Earth

B. Venus

C. Mercury

D. Mars

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4

Sidereal means

A. Pertaining or referring to the stars

B. Pertaining or referring to the moon

C. Pertaining or referring to the Sun

D. Pertaining' or referring to the cosmic bodies

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4

Lunar eclipse means

A. Direction or path of the Moon

B. The Moon comes between the Sun and the Earth

C. The Earth comes in between the sun and the Moon and the centres of all the three come on the same straight line

D. The average angle made by a line drawn from the Moon to the Earth

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4

Average temperature of the Earth is.

A. 14°C

B. 24°C

C. 34°C

D. 20°C

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4

On the summer solstice in the Northern Hemisphere which of the hollowing latitudes will have the longest night?

A. 45°S

B. 60°S

C. 60°N

D. 45°N

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4

When the earth is at its minimum distance from the Sun, it is said to be

A. Perigee

B. Apogee

C. Perihelion

D. Aphelion

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4

When the earth is at its maximum distance from the Sun it is said to be in

A. Perigee

B. Apogee

C. Perihelion

D. Aphelion

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4

Which two Planets do not have any satellites?

A. Venus and Mercury

B. Venus and Uranus

C. Venus and Neptune

D. Mercury and Uranus

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4

When a year divisible by 4 and not divisible by 400 is called

A. Siderial Year

B. Solar Year

C. Cosmic Year

D. Leap Year

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4

What is the primary cause of the day and night?

A. Revolution

B. Rotation

C. Inclination of the earth's axis

D. Geoid shape of the earth

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4

What is the unit of measurement of distance between celestial bodies?

A. Light year

B. Nautical mile

C. Statute mile

D. Kilometre

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4

Which of the following are the Outer Planets?
1. Jupiter
2. Saturn
3. Uranus
4. Neptune

A. 1 and 2

B. 1, 2and 3

C. 1, 2, 3 and 4

D. 1, 2, 3, 4 and 5

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4

A celestial body which revolves round the Sun and receives heat and light from it is called _____.

A. Planet

B. Orion

C. Satellite

D. Star

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4

What is the distance around the earth at the Equator?

A. 21,000 km

B. 16,800 km

C. 18,600 km

D. 12,500 km

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4

Sun revolves around galaxy once in every 250 million years, this length of time is called _____.

A. Cosmic or Galactic Year

B. Mean Solar Year

C. Sidereal Year

D. Leap Year

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4

What is the position of the moon called when it la farthest from the earth?

A. Perigee

B. Perihelion

C. Aphelion

D. Apogee

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4

The Sun experiences magnetic storms and this Interferes with the magnetic field oC the Earth and produces light which are called

A. Quasars

B. Polar Auroras

C. Meteorites

D. Pulsar

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4

A family or system of millions and millions of stars are called ____.

A. Universe

B. Solar System

C. Galaxy

D. Asteroids

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4

A leap year consists of

A. 365 days

B. 365 days and 6 months

C. 364 days

D. 366 days

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4

What does perigee mean?

A. The position of the moon farthest from the earth

B. The position of the earth nearest to the Sun

C. The position of the moon nearest to the earth

D. The position of the earth farthest from the Sun

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4

Equatorial diameter of the Earth is __.

A. 12757 km

B. 17257 km

C. 17527 km

D. 17572 km

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4

Rapidly rotating stars emitting intense radio waves are called ___.

A. Pulsars

B. Quasuars

C. Neutron stars

D. All of the above

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4

The group of small pieces of rock revolving round the Sun between the orbits of Mars and Jupiter are called

A. meteors

B. comets

C. meteorites

D. asteroids

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4

The permanent tilt of the Earth's axis and the revolution of the Earth in its orbit together cause

A. Day and night

B. Varying lengths of day and night at different times of the year

C. Differences in time between places on different meridians

D. The deflection of winds

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4

The dark patches, associated with the Sun storms present in Sun are called

A. Sunspots

B. Pulsars

C. White Dwarfstar

D. Supernova

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4

Polar Auroras are

A. Quasars

B. b) Pulsar

C. Aurora Borealis

D. White Dwarfstar

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4

What is the direction of rotation of the earth on its axis?

A. East to West

B. South to North

C. North to South

D. West to East

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4

The most important constituent of the Sun's mass is.
Hydrogen
Helium
Silicon
Iron

A. 1 and 2

B. 2 and 3

C. 3 and 4

D. 1,2 and 4