Solar System MCQs

16. What is the farthest planet from the sun?
a) Neptune
b) Uranus
c) Saturn
d) Pluto

17. What is the closest planet to Earth?
a) Mars
b) Venus
c) Mercury
d) Saturn

18. What is the only planet in our solar system with a day longer than its year?
a) Venus
b) Mars
c) Uranus
d) Neptune

19. What is the only planet in our solar system that has liquid oceans on its surface?
a) Mars
b) Venus
c) Earth
d) Jupiter

20. What is the only planet in our solar system known to have a strong magnetic field and a liquid metallic core?
a) Mars
b) Venus
c) Earth
d) Uranus