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UPSC Exam  >  UPSC Test  >  Geography CSE  >  Test: The Earth In The Solar System - UPSC MCQ

The Earth In Solar System - UPSC Geography Free MCQ Test with solutions


MCQ Practice Test & Solutions: Test: The Earth In The Solar System (20 Questions)

You can prepare effectively for UPSC Geography for UPSC CSE with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: The Earth In The Solar System". These 20 questions have been designed by the experts with the latest curriculum of UPSC 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 20 minutes
  • - Number of Questions: 20

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Test: The Earth In The Solar System - Question 1
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Which celestial body is known for always indicating the north direction?

Detailed Solution: Question 1

The Pole Star, also known as the North Star, remains in a fixed position in the sky, making it a reliable indicator of the north direction. It can be located with the help of the Saptarishi constellation, by drawing an imaginary line from its pointer stars.

Test: The Earth In The Solar System - Question 2
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Which celestial bodies are referred to as 'wanderers' in Greek?

Detailed Solution: Question 2

The word 'planet' comes from the Greek word “Planetai,” which means ‘wanderers’. This name is given because planets move around the sun in their orbits, unlike stars which appear fixed in the night sky.

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Test: The Earth In The Solar System - Question 3
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Which of the following is not an Indian Satellite in space?

Detailed Solution: Question 3

The question asks which of the following is not an Indian satellite in space. The given answer is d. None of these, which means all the options mentioned are indeed Indian satellites.

  • INSAT: A series of multipurpose geostationary satellites commissioned by India.
  • IRS: Indian Remote Sensing satellites used for various applications like agriculture and forestry.
  • EDUSAT: Launched for educational purposes, providing distance learning services.

Therefore, all options refer to Indian satellites, confirming the answer as 'None of these'.

Test: The Earth In The Solar System - Question 4
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Q: Who was the first man to walk on the Moon?

Detailed Solution: Question 4

Neil Armstrong became the first human to walk on the Moon on July 20, 1969, during the Apollo 11 mission.

Test: The Earth In The Solar System - Question 5
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Which planet is known as the 'Earth's-twin' due to its similar size and shape?

Detailed Solution: Question 5

Venus is called 'Earth’s-twin' because its size and shape are very similar to those of the Earth. Despite these similarities, the conditions on Venus are extremely different from those on Earth.

Test: The Earth In The Solar System - Question 6
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Which of the following is the largest planet in our solar system?

Detailed Solution: Question 6

Jupiter is the largest planet in our solar system. It has a diameter of about 142,984 km, which is significantly larger than any other planet.

Test: The Earth In The Solar System - Question 7
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How often can we observe a Full Moon Night?

Detailed Solution: Question 7

A Full Moon Night, or Poornima, can be observed once a month. This occurs when the moon is fully illuminated by the sun's light, appearing as a complete sphere.

Test: The Earth In The Solar System - Question 8
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What is the term used for the elliptical path in which a planet revolves around the sun?

Detailed Solution: Question 8

An orbit is the particular and definite elliptical path in which a planet or satellite always remains while revolving around a star or planet.

Test: The Earth In The Solar System - Question 9
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What is the shape of the Earth commonly referred to as?

Detailed Solution: Question 9

The shape of the Earth is referred to as a geoid. It is almost spherical but slightly flattened at the poles, giving it a unique earth-like shape.

Test: The Earth In The Solar System - Question 10
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What celestial bodies are found between the orbits of Mars and Jupiter?

Detailed Solution: Question 10

Asteroids are tiny celestial bodies found between the orbits of Mars and Jupiter, forming the asteroid belt. Scientists believe they are remnants of a planet that exploded many years ago.

Test: The Earth In The Solar System - Question 11
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Which planet takes the shortest time to complete one orbit around the sun?

Detailed Solution: Question 11

Mercury, being the closest planet to the sun, takes only about 88 days to complete one orbit around the sun, which is the shortest time compared to other planets.

Test: The Earth In The Solar System - Question 12
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What term describes the smallest celestial bodies that move around the sun and can cause flashes of light upon entering the Earth's atmosphere?

Detailed Solution: Question 12

Meteoroids are small pieces of rock or metal that move around the sun. When they enter the Earth's atmosphere and burn up, they cause flashes of light known as meteors or shooting stars.

Test: The Earth In The Solar System - Question 13
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Which constellation is known for having a pattern that resembles a big bear?

Detailed Solution: Question 13

Ursa Major, also known as the Big Bear, is a constellation that can be easily recognized by its pattern of stars resembling a large bear. It is one of the most famous constellations in the night sky.

Test: The Earth In The Solar System - Question 14
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What is the name given to the white glowing path across the sky that is actually a cluster of millions of stars?

Detailed Solution: Question 14

The Milky Way Galaxy is a broad, white glowing band seen across the sky, consisting of millions of stars. Our solar system is part of this galaxy.

Test: The Earth In The Solar System - Question 15
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What is the main source of heat and light for the solar system?

Detailed Solution: Question 15

The Sun is the primary source of heat and light for the entire solar system. Despite its immense distance from Earth, it provides the necessary energy to sustain life on our planet.

Test: The Earth In The Solar System - Question 16
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What term describes the planet Mars in terms of its color?

Detailed Solution: Question 16

Mars is often called the Red Planet due to its reddish appearance, which is caused by iron oxide or rust on its surface.

Test: The Earth In The Solar System - Question 17
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How far is the Sun from the Earth?

Detailed Solution: Question 17

The Sun is approximately 150 million kilometers away from the Earth. This vast distance is one of the reasons we do not feel its immense heat directly.

Test: The Earth In The Solar System - Question 18
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Which celestial body is a natural satellite of the Earth?

Detailed Solution: Question 18

The Moon is the Earth's natural satellite. It orbits around the Earth and is the closest celestial body to our planet, influencing various phenomena such as tides.

Test: The Earth In The Solar System - Question 19
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What is the primary component of stars?

Detailed Solution: Question 19

Stars are primarily composed of gases, mainly hydrogen and helium. These gases undergo nuclear fusion, producing immense amounts of heat and light.

Test: The Earth In The Solar System - Question 20
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Q: Which planet don't have rings around them?

Detailed Solution: Question 20

- Mars is the correct answer.
- Mars: Mars does not have any rings. It is known for its two small moons, Phobos and Deimos.
- Saturn, Uranus, Jupiter: These planets have ring systems. Saturn is famous for its prominent and visible rings.
- Rings are common in the outer planets, mainly composed of ice, rock, and dust. Mars, an inner planet, lacks these features.

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About this UPSC Practice Test

This test contains 20 MCQs on The Earth In The Solar System with detailed solutions for each question. It is part of the Geography for UPSC CSE course on EduRev, designed to align with the current UPSC syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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