The Earth in the Solar System MCQs Set 1

Class 6 Social Science - Geography

Chapter 1 The Earth in the Solar System

MCQs on Chapter 1 The Earth in the Solar System

SET 1

Useful for UPSC related exams, SSC-CGL, SSC CHSL, SSC MTS, RRB, CDS, and State Level Group-1 & Group-2 exams.

This Quiz contains UPSC Previous Year Questions and APPSC & TSPSC Previous Year Questions.

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1Q) Saptarishi forms a part of which of the following constellations?

(A) Sagittarius

(B) Cassiopeia

(C) Ursa Major

(D) Ursa Minor

Show/Hide The Explanation of Answer

⇨ Saptarishi forms a part of Ursa Major Constellation.

⇨ Ursa Major is also known as Big Bear (or) Great Bear (or) Big Dipper.

⇨ One of the most easily recognizable constellations is the Saptarishi.

⇨ Saptarishi is a group of seven stars.

2Q) Which of the following are the celestial bodies?

(A) All the shining bodies in the night sky

(B) Which bodies have their own heat and light

(C) Only comets, meteors, asteroids

(D) Only the objects in the Kuiper belt

Show/Hide The Explanation of Answer

⇨ All those objects shining in the night sky are called celestial bodies.

⇨ Some celestial bodies are very big and hot.

⇨ They are made up of gases.

⇨ They have their own heat and light, which they emit in large amounts. These celestial bodies are called stars.

⇨ Some celestial bodies do not have their own heat and light.

⇨ They are lit by the light of the stars. Such bodies are called planets.

⇨ Thus, Stars, planets, moons, comets, meteors, and asteroids are all classified as celestial bodies.

3Q) North Star (or) the Pole Star is a part of which of the constellation?

(A) Orion

(B) Leo

(C) Ursa Major

(D) Ursa Minor

Show/Hide The Explanation of Answer

⇨ The North Star also known as Polaris is the brightest star in the constellation of Ursa Minor.

⇨ Ursa Minor also known as Little Bear.

4Q) Why the shape of the earth is geoid?

(A) It is slightly flattened at the poles.

(B) Because of the ocean's surface.

(C) Earth is tilted with an angle.

(D) Earth's orbit is an ellipse.

Show/Hide The Explanation of Answer

⇨ The Earth is slightly flattened at the poles. thus, Earth's shape is referred to as a “Geoid”.

5Q) Which of the following planets have rings around them?

(1) Jupiter

(2) Saturn

(3) Uranus

(4) Neptune

(A) 1 and 2 Only

(B) 2 and 3 Only

(C) 1, 2, and 3 Only

(D) 1, 2, 3, and 4

Show/Hide The Explanation of Answer

⇨ Four of the planets in the Solar System have rings.

⇨ They are the four giant gas planets Jupiter, Saturn, Uranus, and Neptune.

⇨ Saturn, which has by far the largest ring system.

⇨ In 1610, Galileo Galilei becomes the first to observe Saturn's rings with his telescope.

⇨ In 1979, Jupiter's faint rings were first discovered by the Voyager 1 spacecraft.

6Q) Why only one side of the moon is visible to us on Earth?

(1) The moon moves around the earth in about 27 days.

(2) The moon takes about 27 days to complete one spin.

(A) 1 Only

(B) Only 2

(C) Both 1 and 2

(D) Neither 1 Nor 2

Show/Hide The Explanation of Answer

⇨ The moon moves around the earth in about 27 days.

⇨ It takes exactly the same time to complete one spin.

⇨ As a result, only one side of the moon is visible to us on the earth.

7Q) Which of the following planet takes the 1 day for one spin on the axis same as Earth?

(A) Venus

(B) Earth

(C) Mars

(D) Jupiter

Show/Hide The Explanation of Answer

⇨ Earth and Mars are very similar and both take 24 hours to complete one spin.

⇨ Exactly Earth takes 24 hours to complete one spin, and Mars takes 25 hours.

8Q) Meteoroids are made up of which of the following?

(1) Small pieces of rocks

(2) Dust

(3) Gases

(A) 1 Only

(B) 1 and 2 Only

(C) Only 3

(D) Only 2 and 3

Show/Hide The Explanation of Answer

⇨ The small pieces of rocks which move around the sun are called meteoroids.

9Q) Which of the planet has the shortest day?

(A) Mercury planet

(B) Venus

(C) Jupiter

(D) Saturn

Show/Hide The Explanation of Answer

⇨ Jupiter is the fastest-spinning planet in our Solar System.

⇨ It is rotating on average once in just under 10 hours.

⇨ Thus, Jupiter has the shortest day of all the planets in the Solar System.

10Q) Which of the following proposed theory states that the orbit of each planet around the Sun is an ellipse?

(A) The Accretion theory

(B) The Modern Nebular theory

(C) The Modern Laplacian theory

(D) Kepler's First Law

Show/Hide The Explanation of Answer

⇨ Kepler's First Law:

⇨ Each planet's orbit around the Sun is an ellipse.

⇨ The Sun's center is always located at one focus of the orbital ellipse.

⇨ The Sun is at one focus.

⇨ The planet follows the ellipse in its orbit, meaning that the planet to Sun distance is constantly changing as the planet goes around its orbit.

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