Plate Tectonics MCQ Questions and Answers Quiz

31. This process of old crust being pulled down and remelted is called:

  1. sea floor spreading
  2. drifting
  3. plate tectonics
  4. subduction

32. Volcanoes form at this boundary as plates pull apart

  1. convergent
  2. transform
  3. transform and convergent
  4. divergent

33. What evidence did Wegener have for his theory of continental drift?

  1. He had no evidence.
  2. He knew that plant and animal fossils, as well as rock layers, matched on the two continents of Africa and South America.
  3. He explained how continents moved apart.

34. What evidences do scientists use to support the continental drift theory?

  1. rocks, fossils, air
  2. rocks, fossils, climate
  3. rocks, water, ice
  4. rocks, fossils, human beings

35. What kind of plate boundary causes old and heavy crust ( rocks ) to sink into the mantle ( subduction)?

  1. convergent boundary
  2. divergent boundary
  3. transform or shear boundary

36. What kind of plate boundary causes sea floor spreading like the one causing the Atlantic Ocean to widen?

  1. convergent boundary
  2. divergent boundary
  3. transform or shear boundary

37. What kind of plate boundary results to the formation of a fault line like the San Andreas fault in California?

  1. divergent boundary
  2. transform or shear boundary
  3. convergent boundary

38. What kind of plate boundary results to the formation of a mountain range like the Himalayas and the Appalachian mountains?

  1. divergent boundary
  2. transform or shear boundary
  3. convergent boundary

39. What kind of plate boundary results to the formation of a trench like the Marianas trench?

  1. convergent boundary
  2. divergent boundary
  3. transform or shear boundary

40. What kind of plate boundary results to the formation of an Island arc?

  1. divergent boundary
  2. transform or shear boundary
  3. convergent boundary
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