Planets of Our Solar System MCQs with Answers

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The planets called Ice giants in our solar system are Neptune and Uranus.

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Mercury is the planet mostly made up of iron and covered with craters.

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The planet which revolves most slowly around the Sun is Neptune, as it is the farthest planet and has the largest orbital path.

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The four rocky inner planets — Mercury, Venus, Earth, and Mars — are called Terrestrial planets because they have solid, rocky surfaces similar to Earth (Terra).

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The two planets that rotate from east to west (retrograde rotation) are Venus and Uranus.

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Neptune is the planet known for having the strongest winds in the solar system, which can exceed the speed of sound.

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The rings of Saturn were discovered by Galileo in 1610 using his early telescope.

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Mars is known as the Red Planet due to the reddish appearance caused by iron oxide (rust) on its surface.

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Olympus Mons, the largest volcano in the solar system, is located on Mars.

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Uranus is known as 'the green planet' due to the presence of methane gas in its atmosphere, which absorbs red light and reflects blue-green light.