Stars and the Solar System MCQs Class 8
Stars and the Solar System MCQs Class 8
Class: CBSE Class 8
Subject: Science
Section: 17 – Stars and the Solar System
Topic: Stars and the Solar System MCQs Class 8
Subject: Science
Section: 17 – Stars and the Solar System
Topic: Stars and the Solar System MCQs Class 8
Strictly Based on NCERT Syllabus | Ideal for CBSE Board Examinations
1. The group of stars forming a recognizable pattern is called:
Answer: B. Constellation
Explanation: A constellation is a group of stars forming patterns like Ursa Major. They help in locating directions and stars.
Explanation: A constellation is a group of stars forming patterns like Ursa Major. They help in locating directions and stars.
2. The Pole Star indicates:
Answer: C. North
Explanation: The Pole Star (Polaris) lies almost above Earth’s North Pole, so it indicates the north direction.
Explanation: The Pole Star (Polaris) lies almost above Earth’s North Pole, so it indicates the north direction.
3. The Sun is a:
Answer: B. Star
Explanation: The Sun produces its own heat and light through nuclear fusion, so it is a star.
Explanation: The Sun produces its own heat and light through nuclear fusion, so it is a star.
4. The natural satellite of Earth is:
Answer: B. Moon
Explanation: The Moon revolves around Earth and reflects sunlight.
Explanation: The Moon revolves around Earth and reflects sunlight.
5. The planet known as the Red Planet is:
Answer: B. Mars
Explanation: Mars appears red due to iron oxide (rust) on its surface.
Explanation: Mars appears red due to iron oxide (rust) on its surface.
6. The largest planet in the Solar System is:
Answer: C. Jupiter
Explanation: Jupiter is the biggest planet with a massive gaseous body.
Explanation: Jupiter is the biggest planet with a massive gaseous body.
7. A celestial body that revolves around a planet is called:
Answer: B. Satellite
Explanation: Satellites orbit planets; they may be natural (Moon) or artificial.
Explanation: Satellites orbit planets; they may be natural (Moon) or artificial.
8. The path of a planet around the Sun is called:
Answer: B. Orbit
Explanation: Planets revolve in fixed paths called orbits.
Explanation: Planets revolve in fixed paths called orbits.
9. Shooting stars are actually:
Answer: B. Meteors
Explanation: Meteors burn in Earth’s atmosphere producing streaks of light.
Explanation: Meteors burn in Earth’s atmosphere producing streaks of light.
10. A body that shows a glowing tail is:
Answer: B. Comet
Explanation: Comets develop tails when near the Sun due to vaporization of ice.
Explanation: Comets develop tails when near the Sun due to vaporization of ice.
11. The galaxy we live in is:
Answer: B. Milky Way
Explanation: Our Solar System lies in the Milky Way galaxy.
Explanation: Our Solar System lies in the Milky Way galaxy.
12. The time taken by Earth to revolve around the Sun is:
Answer: C. 365 days
Explanation: This period is called one year.
Explanation: This period is called one year.
13. The brightest planet in the night sky is:
Answer: B. Venus
Explanation: Venus reflects maximum sunlight due to thick clouds.
Explanation: Venus reflects maximum sunlight due to thick clouds.
14. Artificial satellites are used for:
Answer: D. All of these
Explanation: Satellites support telecom, disaster warning, mapping, etc.
Explanation: Satellites support telecom, disaster warning, mapping, etc.
15. The first Indian satellite was:
Answer: B. Aryabhata
Explanation: Launched in 1975, it marked India’s space entry.
Explanation: Launched in 1975, it marked India’s space entry.
16. The planet with prominent rings is:
Answer: B. Saturn
Explanation: Saturn’s rings are made of ice and rock particles.
Explanation: Saturn’s rings are made of ice and rock particles.
17. The hottest planet is:
Answer: B. Venus
Explanation: Greenhouse gases trap heat, making Venus hottest.
Explanation: Greenhouse gases trap heat, making Venus hottest.
18. Asteroids are found between:
Answer: B. Mars & Jupiter
Explanation: This region is called the Asteroid Belt.
Explanation: This region is called the Asteroid Belt.
19. Rotation of Earth causes:
Answer: B. Day & Night
Explanation: Earth spins on its axis every 24 hours.
Explanation: Earth spins on its axis every 24 hours.
20. The force keeping planets in orbit is:
Answer: C. Gravity
Explanation: The Sun’s gravitational pull keeps planets in orbit.
Explanation: The Sun’s gravitational pull keeps planets in orbit.
