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Equatorial diameter of the Earth is __.

A. 12757 km

B. 17257 km

C. 17527 km

D. 17572 km

Correct Answer :

A. 12757 km


Related Questions

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4

Big Bang Theory' explains

A. the formation of universe

B. the origin and evolution of earth's crust

C. formation of Solar System

D. formation of constellation

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4

The axis of Mars la inclined at an angle of

A. 25°

B. 30°

C. 35°

D. 15°

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4

Which two planets do not have any satellites?
1. Mercury
2. Venus
3. Saturn
4. Pluto

A. 1 and 2

B. 2 WtQ 3

C. 3 and 4

D. 1 and 4

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4

Which planet la known as a 'Morning Star' as well as an 'Evening Star'?

A. Venus

B. Uranus

C. Mercury

D. Mars

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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

An ancient star that has collapsed matter so dense that It creates gravitational force so powerful that even light also does not escape. It Is called

A. QSO

B. Black Hole

C. Neutron Star

D. Black Dwarf

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4

How much time is taken by the Moon in completing one revolution around the Earth?

A. 27 days

B. 29 days

C. 29.32 days

D. 27.32 days

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4

The difference between day and night increases as one moves

A. From equator to poles

B. From poles to equator

C. From tropics to equator

D. From plains to mountains

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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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Sunspots are

A. undulations on the solar surface

B. huge magnetic storms on the solar surface

C. places with adequate sunshine

D. places of tourist importance

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4

Going into the interior of the earth the weight of an object

A. Increases

B. Decreases

C. Remains unchanged

D. First increases and then decreases

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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

Outside Antarctica, which is the deepest part of the earth?

A. The Dead Sea

B. The Aral Sea

C. The Caspian Sea

D. Lake Baikal

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4

Largest planet of our Solar System is _____.

A. Jupiter

B. Mars

C. Saturn

D. Uranus

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4

Brightest planet of our Solar System is _____.

A. Venus

B. Mercury

C. Uranus

D. Saturn

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4

The word 'planet' means ____.

A. wanderer

B. pollution

C. celestial body

D. heavenly body

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4

How much time (approximately) does the light from the nearest star to the Sun take in reaching the earth?

A. 4.3 seconds

B. 4.3 years

C. 4.3 minutes

D. 4.3 hours

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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

Which of the following statements are true?
1. Inner Planets are alternatively called Terrestrial Planets.
2. Outer Planets are Jupiter, Saturn, Uranus and Neptune. All four Outer Planets are considered as Great Planets.
3. Pluto is also considered as

A. 1, 2 and 4

B. 1 and 4

C. 1, 3 and 4

D. 1, 2, 3 and 4

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4

A celestial body consisting of a gaseous cloud enveloping a bright nucleus moving around the Sun in an elliptical or parabolic orbit so eccentrically that some escapes from the Solar Systems is called

A. Comet

B. Great Bear

C. Meteores

D. Asteroides

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4

What is the name of the planet which takes 88 days to make one revolution of the Sun?

A. Venus

B. Mercury

C. Pluto

D. Neptune

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4

The study of universe on grand scale is called.

A. Cosmology

B. Astronomy

C. Astrology

D. Exbiology

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4

The shortest route between two places is along the

A. longitudes

B. latitudes

C. rivers

D. direction of winds

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4

The date on which the Sun is vertical over the 'Tropic of Cancer' is

A. June-21

B. December-22

C. March-21

D. September-23

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4

Halley's comet visits us after every.

A. 66 years

B. 76 years

C. 86 years

D. 96 years

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4

The atmosphere of Venus contains large quantity of

A. Carbondioxide and sulphuric acid

B. Carbondioxide and nitric acid

C. Nitrogen and sulphuric acid

D. Nitrogen and nitric acid

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4

From west to east, what are the three main island groups in the Pacific called?

A. Melanesia, Micronesia and Polynesia

B. Polynesia, Micronesia and Melanesia

C. Melanesia, Polynesia and Micronesia

D. Micronesia, Polynesia and Melanesia

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4

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

A. 1, 2 and 3 are correct

B. 2 and 3 are correct

C. 1 and 2 are correct

D. 1 and 3 are correct

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4

How much time does earth take in making one rotation on its axis with respect to a fixed star at infinite distance?

A. 23 hours 56 minutes

B. 24 hours

C. 23 hours 46 minutes

D. 24 hours 4 minutes

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4

Polar Auroras are

A. Quasars

B. b) Pulsar

C. Aurora Borealis

D. White Dwarfstar