Solar System — Set 1
Geography · सौर मंडल · Questions 1–10 of 70
Which is the nearest star to the Earth?
Correct Answer: B. Sun
The Sun is the nearest star to the Earth. It is the center of our solar system and provides energy for life. Proxima Centauri is the nearest star to our solar system, not Earth.
Which planet is known as the 'Morning Star' or 'Evening Star'?
Correct Answer: B. Venus
Venus is often called the 'Morning Star' or 'Evening Star'. It appears very bright in the sky just before sunrise or after sunset. It is the second planet from the Sun.
The asteroid belt is located between the orbits of which two planets?
Correct Answer: B. Mars and Jupiter
The asteroid belt is a region of space located between the orbits of Mars and Jupiter. It contains numerous irregularly shaped bodies called asteroids or minor planets. This belt separates the inner planets from the outer planets.
Which planet has the most prominent ring system?
Correct Answer: D. Saturn
Saturn is famous for its extensive and complex ring system. These rings are made mostly of ice particles with a smaller amount of rocky debris. While other gas giants have rings, Saturn's are the most visible.
What is the primary gas found in the Sun?
Correct Answer: B. Hydrogen
Hydrogen is the primary gas found in the Sun, constituting about 74% of its mass. It acts as the fuel for nuclear fusion reactions in the Sun's core. Helium is the second most abundant element produced by this fusion.
Which planet is known as the 'Red Planet'?
Correct Answer: A. Mars
Mars is popularly known as the 'Red Planet'. This reddish appearance is due to iron oxide or rust prevalent on its surface. It has a thin atmosphere and two small moons.
Titan is the largest moon of which planet?
Correct Answer: D. Saturn
Titan is the largest moon of Saturn and the second-largest in the solar system. It is the only moon known to have a dense atmosphere. Its atmosphere is primarily composed of nitrogen.
Which is the largest planet in our Solar System?
Correct Answer: B. Jupiter
Jupiter is the largest planet in our solar system. It is a gas giant with a mass more than two and a half times that of all the other planets combined. It is known for its Great Red Spot.
What is the approximate time taken by sunlight to reach Earth?
Correct Answer: A. 8 minutes 20 seconds
Sunlight takes approximately 8 minutes and 20 seconds to travel from the Sun to Earth. The distance is about 150 million kilometers. Light travels at a speed of about 300,000 kilometers per second.
Which planet rotates on its axis from East to West?
Correct Answer: D. Venus
Venus rotates on its axis from East to West, which is retrograde rotation. This means the sun rises in the west and sets in the east on Venus. Uranus is the only other planet with a similar retrograde rotation.