The Earth in the Solar System MCQs Set 4

Class 6 Social Science - Geography

Chapter 1 The Earth in the Solar System

MCQs on Chapter 1 The Earth in the Solar System

SET 4

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) Which of the following are some of the Indian satellites in space?

(1) INSAT

(2) EDUSAT

(3) IRS

(4) IRAS

(A) 1, 2, and 3 Only

(B) 1, 3, and 4 Only

(C) 1, 2, and 4 Only

(D) 1, 2, 3, and 4

Show/Hide The Explanation of Answer

⇨ Some of the Indian satellites in space are INSAT, IRS, EDUSAT, etc.

⇨ The Infrared Astronomical Satellite (IRAS) was the first space telescope to perform a survey of the entire night sky.

⇨ It was Launched on 25 January 1983.

⇨ The telescope was a joint project of the United States (NASA), the Netherlands (NIVR), and the United Kingdom (SERC).

2Q) Which of the following are the moons of Mars?

(1) Phobos

(2) Deimos

(3) Despina

(4) Proteus

(A) 1 and 2 Only

(B) 2 and 3 Only

(C) 3 and 4 Only

(D) 1 and 4 Only

Show/Hide The Explanation of Answer

⇨ Mars has two moons, Phobos and Deimos.

3Q) Asteroids are found between which of the following planets?

(1) Mars

(2) Jupiter

(3) Saturn

(4) Neptune

(A) 1 and 2 Only

(B) 2 and 3 Only

(C) 3 and 4 Only

(D) 1 and 4 Only

Show/Hide The Explanation of Answer

⇨ Asteroids are found between the orbits of Mars and Jupiter.

⇨ Scientists are of the view that asteroids are parts of a planet that exploded many years back.

4Q) Which of the following planet has the shortest day?

(A) MERCURY PLANET

(B) SATURN

(C) URANUS

(D) NEPTUNE

Show/Hide The Explanation of Answer

⇨ MERCURY - One spin on the axis - 59 days.

⇨ SATURN - One spin on axis - 10 hours 40 minutes.

⇨ URANUS - One spin around an axis - 17 hours 14 minutes.

⇨ NEPTUNE - One spin on the axis - 16 hours 7 minutes.

⇨ Saturn has the shortest day with respect to the above planets.

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

⇨ Its period of rotation is just 10 hours.

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

5Q) Which of the following matched correctly?

(1) Asteroid - A body made up of rocks

(2) Meteoroid - Rocky body before it enters into the Earth's atmosphere

(3) Meteor - Shooting star or falling star

(4) Meteorite - Meteoroid does not burn up completely

(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

⇨ Asteroids are made mostly of rock.

⇨ Meteoroids are objects in space that range in size from dust grains to small asteroids. Think of them as “space rocks."

⇨ When meteoroids enter Earth’s atmosphere (or that of another planet, like Mars) at high speed and burn up, the fireballs or “shooting stars” are called meteors.

⇨ When a meteoroid survives a trip through the atmosphere and hits the ground, it’s called a meteorite.

6Q) Which of the following planets has the longest day?

(A) MERCURY PLANET

(B) EARTH

(C) MARS

(D) NEPTUNE

Show/Hide The Explanation of Answer

⇨ MERCURY - One spin on the axis - 59 days.

⇨ EARTH - One spin on the axis - 1 day.

⇨ MARS - One spin on axis - 1 day.

⇨ NEPTUNE - One spin on the axis - 16 hours 7 minutes.

⇨ According to the above, MERCURY has the longest day.

⇨ But, the planet with the longest day of all planets in our solar system is Venus.

⇨ Venus takes 243 days x 24 hours = 5832 hours to complete one rotation about its own axis.

7Q) Our solar system is a part of which of the following galaxy?

(A) Andromeda Galaxy

(B) Cartwheel Galaxy

(C) Tadpole Galaxy

(D) Milky Way galaxy

Show/Hide The Explanation of Answer

⇨ Our Solar system is a part of the Milky Way galaxy.

⇨ It is a barred spiral-shaped galaxy.

⇨ It contains 100-400 billion stars.

⇨ In ancient India, the Milky Way galaxy was imagined to be a river of light flowing in the sky.

⇨ Thus, it was named Akash Ganga.

8Q) Which of the following is the largest moon in the solar system?

(A) Thalassa

(B) Ganymede

(C) Halimede

(D) Titan

Show/Hide The Explanation of Answer

⇨ Jupiter's icy moon Ganymede is the largest moon in our solar system, even bigger than the planet Mercury, and the dwarf planet Pluto.

⇨ Titan is the second-largest moon in our solar system.

⇨ Titan is bigger than Earth's moon and larger than even the planet Mercury.

9Q) Which of the following statement is correct?

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

(2) The moon takes around 30 days to complete one spin.

(A) 1 Only

(B) 2 Only

(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 (27 days) to complete one spin.

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

⇨ Note: The moon moves around the earth in about 27 days but it takes around 29.53 days to come back to a full moon.

10Q) Which of the following is the only moon in the solar system that has an atmosphere?

(A) Thalassa

(B) Halimede

(C) Ganymede

(D) Titan

Show/Hide The Explanation of Answer

⇨ Titan is the only moon in the solar system known to have a substantial atmosphere, which is mostly nitrogen like Earth's.

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