Tectonic Plates Quiz 1 (25 MCQs)

Quiz Instructions:

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1. A major system of rift valleys occurs in _____ .

2. _____ is wedged between South Pacific plate to the east and pacific plate to the west plate.

3. The movement of denser plate inwards towards the enterior of earth during collision is called _____ .

4. The theory of continental drift' ws presented by Alfred Wagener in _____ .

5. North American plate meets _____ along California's San Andreas fault _____ plate.

6. _____ in 1939 proposed that movement of land mass is due to heat-sustained convection cells.

7. The African plate extends eastward from the mid-Antarctic ridge between _____

8. Australian Indian plate meets the Eurasian plate of _____ .

9. The tiny _____ plate will eventually disappear by subduction beneath American plate.

10. Cocos and Rivera, both are _____

11. The Australian Indian plate meets the pacific plate in _____ .

12. The largest of all plates is _____ plate.

13. Sea floor spreading results from _____ .

14. The word 'lithospheric plates' denotes their _____ .

15. _____ proposed that the moon was torn from the earth in the pacific basin.

16. When due to tensional forces simatic crust below and sialic crust above are pulled apart _____ is formed

17. The number of major and minor plates is _____ respectively.

18. Eurasia and North America are the remnants of _____

19. The process of subduction produces a _____ in sea.

20. _____ are also known as destructive boundaries.

21. An extension of Juan de Fuca plate in the South is _____ .

22. The subduction zone is a place of _____ tectonic activity.

23. Pangaea was divided into Gondwana and Laurasia in _____

24. Scotia plate is present at the _____ end of South America.

25. Tectonic process takes place of _____ .