Planetary Geology — MCQs

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1. What is planetary geology?





2. Which planet is most geologically active today?





3. The most volcanically active body in the solar system is:





4. Olympus Mons, the largest volcano in the solar system, is found on:





5. Valles Marineris is the largest canyon system located on:





6. The dominant geological process shaping Mercury’s surface is:





7. Which planet shows strong evidence of past liquid water flow in valleys?





8. Which terrestrial planet has the thickest atmosphere, affecting surface geology?





9. What causes tectonic plate movement on Earth?





10. Which geological process is absent on Mercury and the Moon due to their small sizes?





11. The maria on the Moon were formed by:





12. Which planet has surface features called tesserae caused by tectonic activity?





13. What is the primary cause of erosion on Mars today?





14. Which planet shows clear evidence of active volcanism today?





15. Shield volcanoes on Mars are larger than Earth’s because:





16. Which body shows geysers of water vapor erupting from its surface?





17. Which Jovian moon has a surface covered with ice cracks, suggesting a subsurface ocean?





18. What are regoliths?





19. Which terrestrial planet has global resurfacing events due to volcanism?





20. The presence of river valleys and dried lakebeds on Mars indicates:





21. The largest impact basin on the Moon is:





22. What is the leading geological feature of Io?





23. Which planet shows evidence of recent lava flows and possible active volcanoes?





24. What type of tectonics does Mars have?





25. Which process is responsible for creating valleys and ridges on Europa?





26. Which planet has the most intense greenhouse effect shaping its geology?





27. Which terrestrial planet has the largest core relative to its size?





28. Which process constantly reshapes Earth’s surface but is absent on Mars and Venus?





29. Which planet’s surface is dominated by rift valleys and shield volcanoes?





30. Which Jovian moon has surface features similar to Earth’s glaciers?





31. The surface of Titan has features shaped by:





32. Which terrestrial body shows “wrinkle ridges” caused by shrinking of its core?





33. What geological evidence on Mars suggests volcanic activity is still possible?





34. Which type of volcanoes dominate Venus?





35. Which planet has the tallest mountain in the solar system?





36. Which process dominates the surface shaping of small asteroids?





37. Which geological process is responsible for the Himalayas on Earth?





38. Why are there fewer craters on Earth compared to the Moon?





39. What is cryovolcanism?





40. Which moon is known for cryovolcanism?





41. Which planet has coronae, large circular volcanic features?





42. Which terrestrial planet lacks an atmosphere to protect its surface from impacts?





43. The youngest surface among terrestrial planets belongs to:





44. Which Jovian moon has surface features shaped by tidal heating?





45. Which geological process shaped the lunar highlands?





46. Which terrestrial body shows the most extreme surface temperature differences between day and night?





47. What are planetary rilles?





48. Which moon of Saturn has hydrocarbon dunes similar to Earth’s deserts?





49. Which planet has evidence of both shield volcanoes and large rift valleys?





50. The study of planetary geology helps us understand:





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