Solar System MCQs with Answers

What does Kepler's law of periods relate?

• A.Orbital velocity and semi-major axis
• B.Time period and orbital velocity
• C.Time period and semi-major axis
• D.Time period and eccentricity

The Sun weighs as much as?

• A.1.3 million Earths
• B.100,000 Earths
• C.330,000 Earths
• D.550,000 Earths

Which layer of the Sun is located at its center?

• A.Photosphere
• B.Chromosphere
• C.Core
• D.Corona

We see the moon because it ?

• A.Emits its own light
• B.Produces light due to nuclear reactions
• C.Reflects light from the earth
• D.Reflects light from the sun

What are comets primarily composed of?

• A.Frozen gases, rock, and dust
• B.Molten iron and nickel
• C.Hydrogen and helium plasma
• D.Solid carbon and silicates only

Past Paper MCQ

What type of reaction takes place in the sun?

• A.Fission reaction
• B.Oxidation reaction
• C.Combustion reaction
• D.Fusion reaction

How many moons are there in the Solar System?

• A.181
• B.214
• C.158
• D.197

Who formulated a model of the universe that placed the Sun at the center instead of the Earth?

• A.Galileo Galilei
• B.Nicolaus Copernicus
• C.Johannes Kepler
• D.Tycho Brahe

Which of the following are smaller rocky particles found to be floating in outer space?

• A.Asteroids
• B.Comets
• C.Meteoroids
• D.Meteorites

What is the specific type of fusion that occurs inside the Sun called?

• A.Carbon-nitrogen-oxygen fusion
• B.Triple-alpha fusion
• C.Proton-proton fusion
• D.Deuterium-tritium fusion