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Solar System MCQs with Answers

Includes 19 past paper MCQs (marked).

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Solar System MCQs (31–40)

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

Past paper MCQs in this chapter · See all past papers

Answers and one-liners are hidden. Tap an option to check that question, or show all.

31.
What was the key feature of the model of the universe proposed by Nicolaus Copernicus?
Correct Answer: B. Sun at the center
One-liner
Nicolaus Copernicus proposed the heliocentric model, placing the Sun at the center of the universe.
32.
The outermost layer of the sun is called?
Correct Answer: C. Corona
One-liner
The outermost layer of the Sun is called the Corona.
33.
The Earth has one moon and its name is?
Correct Answer: A. Luna
One-liner
Earth's only natural satellite is called Luna (or simply the Moon).
34.
Past Paper MCQ
The light from the Sun reaches the Earth in about _?
Correct Answer: A. 8 minutes 20 seconds
One-liner
The light from the Sun takes about 8 minutes 20 seconds to reach the Earth.
35.
Kepler's laws state that the square of the time period of any body about the sun is directly proportional to _?
Correct Answer: B. R³
One-liner
According to Kepler's third law, the square of the time period (T²) of a planet revolving around the sun is directly proportional to the cube of the semi-major axis of its orbit, i.e., R³.
36.
Which of the following is NOT the part of the solar system?
Correct Answer: A. A constellation
One-liner
A constellation is NOT a part of the solar system; it is a group of stars that form a recognizable pattern as seen from Earth.
37.
A collection of planets, moons, asteroids, comets, and smaller debris such as meteoroids that are revolving around the Sun is called?
Correct Answer: B. Solar System
One-liner
The collection of planets, moons, asteroids, comets, and meteoroids revolving around the Sun is called the Solar System.
38.
Which of the following is NOT one of the inner layers of the Sun?
Correct Answer: D. Photosphere
One-liner
The Photosphere is NOT an inner layer of the Sun; it is the visible outer surface layer from which light is emitted.
39.
The atmosphere of moon consists of _?
Correct Answer: D. None of these
One-liner
The Moon has no significant atmosphere; it possesses only an extremely thin exosphere with trace amounts of gases.
40.
The Sun has temperature of around _?
Correct Answer: D. 6000 °C
One-liner
The surface temperature of the Sun is around 6000 °C (approximately 5778 K).

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Solar System MCQs with Answers

Solar System MCQs (31–40)

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