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Test: Stars & the Solar System- 2


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20 Questions MCQ Test Science & Technology for UPSC CSE | Test: Stars & the Solar System- 2

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Test: Stars & the Solar System- 2 - Question 1

Water in liquid form is found only on

Detailed Solution for Test: Stars & the Solar System- 2 - Question 1

Water in liquid form is found only on the earth. Water is essential for survival of life. On earth water is present as solid, liquid and gaseous state.

Test: Stars & the Solar System- 2 - Question 2

The path of planet around the sun is called its

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Planets revolve around the Sun on fixed path. The path of planet around the Sun is called its orbits.

Test: Stars & the Solar System- 2 - Question 3

Sun is

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Sun is huge ball o gases emitting heat and light due to nuclear fusion. The size of Sun is very much larger than earth

Test: Stars & the Solar System- 2 - Question 4

The brightest object in clear night sky is

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Moon is the brightest object in clear night sky. Moon reflects the light of sun as it does not have its own light.

Test: Stars & the Solar System- 2 - Question 5

Moon is the

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Moon is the natural satellite of earth as moon revolves around the sun in fixed orbit. Moon reflect the light of Sun.

Test: Stars & the Solar System- 2 - Question 6

The various shapes of bright part of moon is called

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The various shapes of bright part of moon is called phases of moon. The shape of moon keeps changing every day.

Test: Stars & the Solar System- 2 - Question 7

Which planets have huge red spot

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Jupiter's Great Red Spot is a gigantic storm that's about twice as wide as Earth, circling the planet in its southern hemisphere.

Test: Stars & the Solar System- 2 - Question 8

The celestial body nearest to the earth is

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The Moon is the planets nearest to the Earth. All of these celestial bodies are continuously held captive to the sun by the effect of gravity; the bodies are continually forced to orbit the sun as the central body in elliptical orbits.

Test: Stars & the Solar System- 2 - Question 9

Neptune have very low temperature due to

Detailed Solution for Test: Stars & the Solar System- 2 - Question 9

Neptune is far from the Sun. Due to far distance Neptune have very low temperature as light of sun reaches less there.

Test: Stars & the Solar System- 2 - Question 10

A piece of rock which burns as it falls through the earth atmosphere is

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A piece of rock which burns as it falls through the earth atmosphere due to friction is called meteorites.

Test: Stars & the Solar System- 2 - Question 11

The Sun is a

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The Sun is a star that emits heat and light. Sun appear larger than other stars due to closeness from earth.

Test: Stars & the Solar System- 2 - Question 12

Millions of stars together form

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Million of stars together make a galaxy. Our solar system falls under the milky way galaxy.

Test: Stars & the Solar System- 2 - Question 13

Small celestial body revolving around a planet is called

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Satellites are small celestial body revolving around a planet. Moon is the natural satellite of earth.

Test: Stars & the Solar System- 2 - Question 14

Which of the following is not a planet?

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Mars, Saturn and Mercury are planets of earth that revolve around the Sun. Moon is the natural satellite of Sun.

Test: Stars & the Solar System- 2 - Question 15

Which of the following physical quantities has light year as its unit?

Detailed Solution for Test: Stars & the Solar System- 2 - Question 15

One light year is the distance travelled by light in one year, i.e. 

9.46×1012km.

Test: Stars & the Solar System- 2 - Question 16

In a solar system, the planets between which the earth lies are

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In solar system, planets revolve around the Sun. Earth lies between planet Venus and Mars.

Test: Stars & the Solar System- 2 - Question 17

Celestial bodies that emit heat and light in one year are called

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Celestial bodies that emit heat and light throughout the year are called stars. Stars are huge ball of gases that emit heat and light.

Test: Stars & the Solar System- 2 - Question 18

Distance traveled by light in one year is called

Detailed Solution for Test: Stars & the Solar System- 2 - Question 18

The distance traveled by light in one year is called light year. Light year is unit of large distance.

Test: Stars & the Solar System- 2 - Question 19

The number of planets in our solar system is

Detailed Solution for Test: Stars & the Solar System- 2 - Question 19

There are eight planets in our solar system. They are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.

Test: Stars & the Solar System- 2 - Question 20

Path along which celestial bodies revolve around the Sun is called

Detailed Solution for Test: Stars & the Solar System- 2 - Question 20

Orbit is the gravitationally curved path of an object about a point in space

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