This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Science > Stars And The Solar System > Class 8 Science Chapter 17 Stars And The Solar System – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 17 Stars And The Solar System Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. So far, 98 constellations have been identified. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 2. How do astronomers study the composition of stars? A) Astronomers study the composition of stars by smelling them. B) Astronomers study the composition of stars by listening to their sounds. C) Astronomers study the composition of stars by tasting them. D) Astronomers study the composition of stars by analyzing the light they emit through spectroscopy. Show Answer Correct Answer: D) Astronomers study the composition of stars by analyzing the light they emit through spectroscopy. 3. Which two objects in space are located farthest apart? A) Earth and Mars. B) Earth and the sun. C) Earth and the moon. D) The Milky Way galaxy and the Andromeda galaxy. Show Answer Correct Answer: D) The Milky Way galaxy and the Andromeda galaxy. 4. In the Earth's atmosphere, the concentration of Nitrogen is 78.03% and that of Oxygen is 20.9%. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. The biggest planet of the Solar System is: A) Mercury. B) Saturn. C) Mars. D) Jupiter. Show Answer Correct Answer: D) Jupiter. 6. The star that is closest to us- A) Polar Star. B) Proxima Century. C) Sun. D) Moon. Show Answer Correct Answer: B) Proxima Century. 7. ..... are the patterns of stars in the sky A) Constellation. B) Big dipper. C) Solar system. D) Moon phases. Show Answer Correct Answer: A) Constellation. 8. Stars are made of mostly which two gases? A) Hydrogen and Helium. B) Hydrogen and Oxygen. C) Hydrogen and Nitrogen. D) Hydrogen and Carbon. Show Answer Correct Answer: A) Hydrogen and Helium. 9. The structure present in the centre of the comet is called? A) Meteor. B) Asteroid. C) Tail. D) Coma. E) Nucleus. Show Answer Correct Answer: E) Nucleus. 10. Solar eclipse is when the ..... is between ..... and ..... A) Earth, Moon, Sun. B) Sun, Earth, Moon. C) Moon, Earth, Sun. D) None of the above. Show Answer Correct Answer: C) Moon, Earth, Sun. 11. What was the initial explosion that resulted in the formation and expansion of the universe? A) Big bang. B) Big boom. C) Large bang. D) Large boom. Show Answer Correct Answer: A) Big bang. 12. Which planet has the most gravity? A) Neptune. B) Mars. C) Earth. D) Jupiter. Show Answer Correct Answer: D) Jupiter. 13. ..... is the closest planet to the sun. A) Mercury. B) Mars. C) Earth. D) Venus. Show Answer Correct Answer: A) Mercury. 14. Which of these is NOT large and gaseous? A) Mercury. B) Jupiter. C) Uranus. D) Saturn. Show Answer Correct Answer: A) Mercury. 15. A light year is a measurement of: A) Time. B) Distance. C) Gravity. D) None of the Above. Show Answer Correct Answer: B) Distance. 16. A planet made of mostly gases, such as Hydrogen or Helium A) Gas Planet. B) Terrestrial Planet. C) Gaseous Planet. D) Rocky Planet. Show Answer Correct Answer: C) Gaseous Planet. 17. The Pole Star lies in the Southern Hemisphere. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 18. What is constellations? page126 A) Constellations are groups of stars that form recognizable patterns in the night sky. B) Constellations are types of clouds in the sky. C) Constellations are underwater creatures found in the ocean. D) Constellations are musical instruments used in ancient times. Show Answer Correct Answer: A) Constellations are groups of stars that form recognizable patterns in the night sky. 19. When the Moon changes from New moon to Full moon, the shining portion increases. This is called: A) Krishna side. B) Darker fortnight. C) All the above. D) None of the above. Show Answer Correct Answer: B) Darker fortnight. 20. Stars appear to move from east to west, It could mean that the Earth rotates from the east to west too. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. Which unit is used to measure astronomical distances? A) Light year. B) Sound year. C) Century. D) Leap Year. Show Answer Correct Answer: A) Light year. 22. 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. 23. Which planet rotates from East to West while others rotate from West to East? A) Earth. B) Neptune. C) Venus. D) Jupiter. Show Answer Correct Answer: C) Venus. 24. 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. 25. When was Pluto, now a dwarf planet, discovered? A) 1935. B) 1930. C) 1932. D) 1925. Show Answer Correct Answer: B) 1930. 26. The agency responsible for the development of space science programmes in India is: A) IRS. B) ISRO. C) ORS. D) Insat. Show Answer Correct Answer: B) ISRO. 27. 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. 28. 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) Solar winds. D) Coronal ejection. Show Answer Correct Answer: C) Solar winds. 29. Which planet is now characterized as a dwarf planet? A) Miss Best. B) Neptune. C) Pluto. D) Coca-cola. Show Answer Correct Answer: C) Pluto. 30. In which layer of the sun does nuclear fusion take place? A) Crown. B) Chromosphere. C) Core. D) Radiative zone. Show Answer Correct Answer: C) Core. 31. 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. 32. What is the only planet known to contain life? A) Neptune. B) Uranus. C) Earth. D) Mars. Show Answer Correct Answer: C) Earth. 33. 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. 34. The planet whose axis of rotation is highly tilted A) Venus. B) Uranus. C) Earth. D) Neptune. Show Answer Correct Answer: B) Uranus. 35. 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. 36. What is Jupiter's ancient Hindi name? A) Jupiter. B) Shani. C) Brihaspatani. D) You. Show Answer Correct Answer: A) Jupiter. 37. When you look up into the sky, why is the sun clearly the brightest? A) It's the hottest star. B) It's our sun. C) It's the farthest star. D) It's the closest star. Show Answer Correct Answer: D) It's the closest star. 38. How many planets are present in our solar system A) 8. B) 10. C) 9. D) 7. Show Answer Correct Answer: A) 8. 39. 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. 40. 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. 41. Which of the following correctly ranks astronomical objects by size, starting with the smallest? A) Universe, galaxy, solar system, earth, sun. B) Sun, solar system, earth, universe, galaxy. C) Earth, sun, solar system, galaxy, universe. D) Solar system, earth, sun, universe, galaxy. Show Answer Correct Answer: C) Earth, sun, solar system, galaxy, universe. 42. 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. 43. Which of the following is a non luminous celestial object? A) Star. B) Satellite. C) Meteorite. D) Sun. Show Answer Correct Answer: B) Satellite. 44. The Earth rotates from ..... to ..... , giing rise to the apparent motion of the Sun each day. A) West to East. B) North to South. C) East to West. D) South to North. Show Answer Correct Answer: A) West to East. 45. 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. 46. Our sun will end its life as a black hole A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 47. Which of the following is a necessary condition for life to exist on a planet? A) Appropriate distance from its star. B) Suitable atmosphere. C) Presence of water. D) All of the Above. Show Answer Correct Answer: D) All of the Above. 48. Moon is the brightest object in the night sky. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 49. Earth is also known as A) Shani. B) You. C) Shukra. D) Earth. Show Answer Correct Answer: D) Earth. 50. What is the uses of sun? page134 A) The sun is used for providing light, heat, and energy. B) The sun is used for communication. C) The sun is used for transportation. D) The sun is used for cooking food. Show Answer Correct Answer: A) The sun is used for providing light, heat, and energy. 51. Which planet's average temperature make it the hottest planet in the solar system? A) Earth. B) Venus. C) Mars. D) Mercury. Show Answer Correct Answer: B) Venus. 52. The stage after the main sequence star: A) Black dwarf. B) Red giant. C) White dwarf. D) Nebula. Show Answer Correct Answer: B) Red giant. 53. Planets that are rocky, have no rings, are cold, very small, have few or no moons, can't clear their paths, have long orbits, and short days are known as ..... A) Inner planets. B) Outer planets. C) Dwarf planets. D) None of the above. Show Answer Correct Answer: C) Dwarf planets. 54. The distance of Alpha Centauri from the Earth is A) 4.5 light year. B) 4.3 light year. C) 3.4 light year. D) 3.5 light year. Show Answer Correct Answer: B) 4.3 light year. 55. When earth comes between sun and moon, we see a A) Crescent moon. B) Full moon. C) New moon. D) Gibbous moon. Show Answer Correct Answer: B) Full moon. 56. The planets Mercury, Venus, Earth and Mars are also known as: A) Gas giants. B) Ice giants. C) Terrestrial planets. D) None of the above. Show Answer Correct Answer: C) Terrestrial planets. 57. In which layer of the sun does convection occur? A) Chromosphere. B) Core. C) Photosphere. D) Convection zone. Show Answer Correct Answer: D) Convection zone. 58. John observes three different colored stars. What can John infer about the three stars A) The three stars have the same temperatures. B) The three stars have different luminosity. C) The three stars have the same luminosity. D) The three stars have different temperatures. Show Answer Correct Answer: D) The three stars have different temperatures. 59. Energy is created in the core when two ..... atoms join together to form a ..... atom. A) Hydrogen, helium. B) Nitrogen, helium. C) Helium, hydrogen. D) Carbon, hydrogen. Show Answer Correct Answer: A) Hydrogen, helium. 60. Ursa Major is also called: A) Big Dipper. B) Pole Star Constellation. C) Small Bear. D) Sagarittus. Show Answer Correct Answer: A) Big Dipper. ← PreviousNext →Related QuizzesScience QuizzesClass 8 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 4Class 8 Science Chapter 17 Stars And The Solar System Quiz 5Class 8 Science Chapter 17 Stars And The Solar System Quiz 6 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books