1. Which geologic feature does NOT belong to the group?

a. Formation of an island arc

b. Formation of a trench

c. Formation of a mountain range

d. Formation of a volcanic arc


2. A rift is a result of:

a. Convergence of two oceanic plates

b. Divergent plate movement

c. Transform plate boundary

d. Subduction process


3. Which Geologic feature is a result of convergence of two continental plates?

a. Himalayas Range

b. Mid- Atlantic ridge

c. Philippine Archipelago

d. San Andreas Fault


4. Which of the following islands is NOT part of the Philippine Mobile Belt?

a. Cebu

b. Negros

c. Palawan

d. Samar


5. Why does an oceanic plate subduct under the continental plate during convergence? Because the oceanic plate is:

a. thicker and denser than the continental plate

b. the older plate

c. mostly made up of dense granite rock

d. thinner, but denser plate than the continental plate


6. Which geologic feature is formed on top of an oceanic plate, parallel to a trench?

a. Andes Mountains

b. Great Rift Valley

c. Mid - ocean ridge system

d. Philippine island arc


7. What will most probably happen to the East African Rift over time?

a. It will become smaller.

b. It will become wider.

c. It will become a trench.

d. It will become elevated.


8. An earthquake triggered by a transform fault does not create a tsunami. Why?

a. Because the fault is at the ocean floor.

b. Because all transform faults are continental.

c. Because the fault movement is horizontal.

d. Because only divergent plate movement trigger tsunamis.



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