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Planets of Our Solar System MCQs with Answers

Includes 37 past paper MCQs (marked).

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Planets of Our Solar System MCQs (21–30)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

Past paper MCQs in this chapter · See all past papers

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21.
Which planet in our solar system does not have a true surface?
Correct Answer: B. Jupiter
One-liner
Jupiter is a gas giant and does not have a true solid surface.
22.
According to distance, Earth is the _ closest planet to the Sun.
Correct Answer: C. Third
One-liner
According to distance from the Sun, Earth is the third closest planet, after Mercury and Venus.
23.
One day on Venus is equal to ?
Correct Answer: D. 1 year on Earth
One-liner
One day on Venus is equal to 1 year on Earth because Venus takes longer to rotate once on its axis (243 Earth days) than it does to orbit the Sun (225 Earth days).
24.
Past Paper MCQ
Which planet, known as the neighbor of Earth, has two satellites?
Correct Answer: B. Mars
One-liner
Mars, often called Earth's neighbor, has two natural satellites named Phobos and Deimos.
25.
Uranus has moons.
Correct Answer: B. 27
One-liner
Uranus has 27 known moons.
26.
Titan, the moon of Saturn, is larger in diameter than which planet?
Correct Answer: B. Mercury
One-liner
Titan, Saturn's largest moon, is bigger in diameter than the planet Mercury.
27.
The planets which are far away from the sun are called outer planets. These planets are mostly composed of which one of the following states of matter?
Correct Answer: C. Gas
One-liner
The outer planets (Jupiter, Saturn, Uranus, and Neptune) are mostly composed of gas.
28.
The Mars has moons.
Correct Answer: A. 2
One-liner
Mars has 2 moons, named Phobos and Deimos.
29.
Which planet is most known for its rings?
Correct Answer: B. Saturn
One-liner
Saturn is the planet most famous for its spectacular and prominent ring system.
30.
Which planet has no moon and is almost 95% the size of Earth?
Correct Answer: B. Venus
One-liner
Venus has no moon and is almost 95% the size of Earth, making it our closest planetary neighbor in both size and proximity.

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Planets of Our Solar System MCQs with Answers

Planets of Our Solar System MCQs (21–30)

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