This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 17 Stars And The Solar System – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 17 Stars And The Solar System Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The planets close to the sun are A) Small and rocky. B) Large and rocky. C) Small and gaseous. D) Large and gaseous. Show Answer Correct Answer: A) Small and rocky. 2. Which planet rotates from East to West while others rotate from West to East? A) Earth. B) Venus. C) Jupiter. D) Neptune. Show Answer Correct Answer: B) Venus. 3. About 90 percent of the stars in the universe, including the sun, are main sequence stars. What do all main sequence stars have in common? A) All main sequence stars are yellow like our sun. B) All main sequence stars are as bright as our sun. C) They are all undergoing fusion of helium into carbon within their cores. D) They are undergoing fusion of hydrogen into helium within their cores. Show Answer Correct Answer: D) They are undergoing fusion of hydrogen into helium within their cores. 4. When was Pluto, now a dwarf planet, discovered? A) 1925. B) 1930. C) 1932. D) 1935. Show Answer Correct Answer: B) 1930. 5. The agency responsible for the development of space science programmes in India is: A) Insat. B) ORS. C) IRS. D) ISRO. Show Answer Correct Answer: D) ISRO. 6. Describe what happens to the Moon's appearance from New Moon to Full Moon. A) The Moon appears to get smaller each night. B) The Moon stays the same size. C) The Moon appears to grows bigger to the left each night until it is fully round. D) The Moon appears to disappear completely. Show Answer Correct Answer: C) The Moon appears to grows bigger to the left each night until it is fully round. 7. The particles of the corona extends into space for millions of kilometers and spreads into streams of electrically charged particles called: A) Coronal discharge. B) Solar flares. C) Coronal ejection. D) Solar winds. Show Answer Correct Answer: D) Solar winds. 8. Which planet is now characterized as a dwarf planet? A) Neptune. B) Pluto. C) Miss Best. D) Coca-cola. Show Answer Correct Answer: B) Pluto. 9. In which layer of the sun does nuclear fusion take place? A) Core. B) Radiative zone. C) Chromosphere. D) Crown. Show Answer Correct Answer: A) Core. 10. The asteroid belt lies between the orbits of which two planets? A) Earth and Mars. B) Mars and Jupiter. C) Jupiter and Saturn. D) Saturn and Neptune. Show Answer Correct Answer: B) Mars and Jupiter. 11. What is the only planet known to contain life? A) Mars. B) Earth. C) Neptune. D) Uranus. Show Answer Correct Answer: B) Earth. 12. In the course of a moon cycle, we can see the complete moon. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 13. The planet whose axis of rotation is highly tilted A) Neptune. B) Uranus. C) Venus. D) Earth. Show Answer Correct Answer: B) Uranus. 14. It is difficult to observe Mercury because A) It is the smallest planet of this universe. B) It is too far away from our planet. C) It is hidden by the glare of the sun. D) None of the above. Show Answer Correct Answer: C) It is hidden by the glare of the sun. 15. What is Jupiter's ancient Hindi name? A) Shani. B) Brihaspatani. C) You. D) Jupiter. Show Answer Correct Answer: D) Jupiter. 16. When you look up into the sky, why is the sun clearly the brightest? A) It's our sun. B) It's the closest star. C) It's the farthest star. D) It's the hottest star. Show Answer Correct Answer: B) It's the closest star. 17. Which is the farthest planet of the solar system? A) Saturn. B) Uranus. C) Neptune. D) Pluto. Show Answer Correct Answer: C) Neptune. 18. How many planets are present in our solar system A) 9. B) 10. C) 8. D) 7. Show Answer Correct Answer: C) 8. 19. The commonly used unit in astronomy- A) Kilometer. B) Light Year. C) Kilo Meter Per second. D) None of the above. Show Answer Correct Answer: B) Light Year. 20. What is the name often given to the four outer planets? A) Terrestrial planets. B) Gas giants. C) Inner planets. D) None of the above. Show Answer Correct Answer: B) Gas giants. 21. Which of the following correctly ranks astronomical objects by size, starting with the smallest? A) Earth, sun, solar system, galaxy, universe. B) Sun, solar system, earth, universe, galaxy. C) Universe, galaxy, solar system, earth, sun. D) Solar system, earth, sun, universe, galaxy. Show Answer Correct Answer: A) Earth, sun, solar system, galaxy, universe. 22. What is the definition of a comet? A) Man-made objects floating in space. B) Natural objects that exist in space, such as stars, planets, moons, asteroids, comets, and galaxies. C) Objects submerged in water. D) Objects found on Earth's surface. Show Answer Correct Answer: B) Natural objects that exist in space, such as stars, planets, moons, asteroids, comets, and galaxies. 23. Which of the following is a non luminous celestial object? A) Meteorite. B) Sun. C) Satellite. D) Star. Show Answer Correct Answer: C) Satellite. 24. The Earth rotates from ..... to ..... , giing rise to the apparent motion of the Sun each day. A) East to West. B) West to East. C) North to South. D) South to North. Show Answer Correct Answer: B) West to East. 25. The distance between various celestial objects are usually expressed in the unit of: A) Kilometers. B) Light minutes. C) Light years. D) Light seconds. Show Answer Correct Answer: C) Light years. ← PreviousNext →Related QuizzesClass 8 Science Chapter 17 Stars And The Solar System Quiz 1Class 8 Science Chapter 17 Stars And The Solar System Quiz 2Class 8 Science Chapter 17 Stars And The Solar System Quiz 3Class 8 Science Chapter 17 Stars And The Solar System Quiz 4Class 8 Science Chapter 17 Stars And The Solar System Quiz 5Class 8 Science Chapter 17 Stars And The Solar System Quiz 6Class 8 Science Chapter 17 Stars And The Solar System Quiz 8Class 8 Science Chapter 17 Stars And The Solar System Quiz 9Class 8 Science Chapter 17 Stars And The Solar System Quiz 10Class 8 Science Chapter 17 Stars And The Solar System Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books