MCQ Questions for Class 8 Science: Ch 17 Stars and the Solar System

MCQ Questions for Class 8 Science: Ch 17 Stars and the Solar System

1. Which planet has the largest number of satellites?
(a) Jupiter
(b) Saturn
(c) Mercury
(d) Mars
► (b) Saturn

2. The Halley’s Comet is seen after every
(a) 76 months
(b) 76 years
(c) 56 months
(d) 56 years
► (b) 76 years

3. Which is the largest, natural satellite in the solar system?
(a) The moon
(b) lo
(c) Eros
(d) Ganymede
► (d) Ganymede

4. White is the time-period of revolution of Halley
(a) 25 years
(b) 80 years
(c) 56 years
(d) 76 years
► (d) 76 years

5. Farthest planet of the solar system is:
(a) Neptune
(b) Jupiter
(c) Mercury
(d) Earth
► (a) Neptune

6. Sky is not clear in cities due to
(a) Dust and smoke
(b) More population
(c) Bright light
(d) Larger area
► (a) Dust and smoke

7. The celestial body nearest to the earth is
(a) Venus
(b) The Sun
(c) Proxima
(d) The moon
► (d) The moon

8. Of which element is ozone made?
(a) Oxygen
(b) Nitrogen
(c) Carbon
(d) Carbon and oxygen
► (a) Oxygen

9. Neptune have very low temperature due to
(a) Far distance from sun
(b) Presence of oxygen
(c) Huge amount of ice
(d) Glacier on its surface
► (a) Far distance from sun

10. Star appear small because
(a) They are very far
(b) They have dim light
(c) They are smaller than moon
(d) They reflect the Sun
► (a) They are very far

11. Which of the following is the brightest non-star visible to the human eye?
(a) Moon
(b) Venus
(c) Mars
(d) Jupiter
► (a) Moon

12. ISRO stands for
(a) Indian Science Research Organization
(b) International Science Research Organization
(c) Indian Space Research Organization
(d) Inter State Research Organization
► (c) Indian Space Research Organization

13. The path of planet around the sun is called its
(a) Orbit
(b) Spin
(c) Rotation
(d) Revolution
► (a) Orbit

14. Celestial bodies that emit heat and light in one year are called
(a) Asteroids
(b) Planets
(c) Moons
(d) Stars
► (d) Stars

15. The various shapes of bright part of moon is called
(a) Parts of moon
(b) Ring of moon
(c) Cover of moon
(d) Phases of moon
► (d) Phases of moon

16. A planet which appears yellowish:
(a) Saturn
(b) Mars
(c) Uranus
(d) Venus
► (d) Venus

17. Where is a spy satellite deployed?
(a) Low-earth orbit
(b) Geostationary orbit
(c) Polar orbit
(d) Both (a) and (b)
► (a) Low-earth orbit

18. A piece of rock which burns as it falls through the earth atmosphere is
(a) Meteoroids
(b) Asteroids
(c) Meteorite
(d) Meteor
► (c) Meteorite

19. Millions of stars together form
(a) Solar system
(b) Galaxy
(c) Constellation
(d) Comet
► (b) Galaxy

20. Identify the closest star to our solar system.
(a) Proxima centauri
(b) Sirius
(c) Swati
(d) Ashwini
► (a) Proxima centauri

21. Which of the following is not a celestial body?
(a) Satellite
(b) Star
(c) Moon
(d) Planets
► (a) Satellite

22. The gap between the orbit of Mars and Jupiter is called
(a) Asteroid
(b) Comets
(c) Meteor
(d) Meteorite
► (a) Asteroid

23. To which of the following category does Orion belong?
(a) Star
(b) Planet
(c) Galaxy
(d) Constellation
► (d) Constellation

24. What kind of a planet is Jupiter?
(a) Terrestrial planet
(b) Gas planet
(c) Asteroid
(d) Hottest planet
► (b) Gas planet

25. The brightest object in clear night sky is
(a) Venus
(b) Sun
(c) Moon
(d) Star
► (c) Moon
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