The Earth in the Solar System MCQs Set 2

Class 6 Social Science - Geography

Chapter 1 The Earth in the Solar System

MCQs on Chapter 1 The Earth in the Solar System

SET 2

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 one of the following planets has the longest day?

(A) Mercury

(B) Venus

(C) Jupiter

(D) Saturn

Show/Hide The Explanation of Answer

⇨ Venus has the longest day of all the planets in the Solar System.

⇨ It completes one rotation every 243 Earth days.

2Q) Which of the following is the hottest planet in our solar system?

(A) Mercury planet

(B) Venus

(C) Jupiter

(D) Saturn

Show/Hide The Explanation of Answer

⇨ Venus is the hottest planet in the solar system because of its thick atmosphere, which traps all the heat from the Sun.

3Q) Which of the following planets is made up of rock and metal?

(1) Venus

(2) Earth

(3) Mars

(4) Jupiter

(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

⇨ Terrestrial planets are also called inner planets.

⇨ They are Mercury, Venus, Earth, and Mars.

⇨ They are very close to the sun.

⇨ They are made up of rocks.

4Q) Which of the following planets has a reddish appearance?

(A) Venus

(B) Earth

(C) Mars

(D) Jupiter

Show/Hide The Explanation of Answer

⇨ Mars is known as the Red Planet because iron minerals in the Martian soil oxidize, or rust, causing the soil and atmosphere to look red.

5Q) Who among the following was a famous astronomer of ancient India?

(A) Baudhayan

(B) Brahmgupta

(C) Bhaskaracharya

(D) Aryabhata

Show/Hide The Explanation of Answer

⇨ Aryabhatta was a famous astronomer of ancient India.

⇨ He said that the moon and the planets shine due to reflected sunlight.

6Q) Three-quarters of the Sun is made up of which of the following?

(A) Water

(B) Hydrogen

(C) Helium

(D) Methane

Show/Hide The Explanation of Answer

⇨ About three-quarters of the sun is hydrogen, which is constantly fusing together and creating helium by a process called nuclear fusion. Helium makes up almost the entire remaining quarter.

7Q) How many days does Mercury take to complete one round of its orbit?

(A) 72days

(B) 88 days

(C) 255 days

(D) 365 days

Show/Hide The Explanation of Answer

⇨ Mercury takes about 88 Earth days to complete a single orbit around the Sun.

8Q) The polar star indicates which direction?

(A) East

(B) West

(C) North

(D) South

Show/Hide The Explanation of Answer

⇨ The pole star indicates the direction to the north.

⇨ The Pole Star is also known as the North Star or Polaris.

⇨ We can easily locate the position of the North Star with the help of the Saptarishi constellation.

9Q) Which of the following are the dwarf planets according to the International Astronomical Union (IAU)?

(1) Pluto

(2) Eris

(3) Ceres

(4) Makemake

(A) 1 and 2 Only

(B) 1 and 3 Only

(C) 1, 2, and 3 Only

(D) 1, 2, 3, and 4

Show/Hide The Explanation of Answer

⇨ According to the International Astronomical Union (IAU), there are five dwarf planets in the solar system.

⇨ Pluto

⇨ Eris

⇨ Ceres

⇨ Makemake

⇨ Haumea

10Q) Stars appear to move from which direction to which direction?

(1) East

(2) West

(3) North

(4) South

(A) 1 to 2

(B) 2 to 1

(C) 3 to 4

(D) 4 to 1

Show/Hide The Explanation of Answer

⇨ The stars appear to move from east to west because of the rotation of the earth which rotates from west to east around its axis. Thus, stars appear to move from east to west.

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