Volcanoes Quiz 25 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The expulsion of ash, cinders, bombs, and gasses during an explosive volcanic eruption.

Correct Answer: A) Pyroclastic flow.

2. A subduction zone is .....

Correct Answer: C) Where the oceanic plate slides under the continental plate.

3. The huge hole left by the collapse of a volcanic mountain is called a

Correct Answer: B) Caldera.

4. What is the least explosive type of volcano?

Correct Answer: A) Shield.

5. A steep, cone-shaped hill or small mountain made of volcanic ash, cinder, and bombs piled up around a volcano's opening.

Correct Answer: C) Cinder cone.

6. An opening in the Earth's crust through which molten rock, gases, and ash erupts is called a(n) .....

Correct Answer: B) Volcano.

7. Why do volcanoes form at divergent boundaries

Correct Answer: B) Lowering the pressure lowers the melting point of the mantle rock.

8. Who did they interview about the volcano eruption?

Correct Answer: B) Farmer's Wife.

9. An ..... volcano is one that is erupting or has erupted recently.

Correct Answer: C) ACTIVE.

10. One major belt of volcanoes that surrounds the Pacific Ocean

Correct Answer: A) Ring of Fire.

11. An area where magma melts through the crust in the middle of a plate is called a

Correct Answer: C) Hot spot.

12. Which of the following is the first event when there is a formation of a volcano?

Correct Answer: C) Magma rises through cracks in the Earth's crust.

13. Which of the following is an opening through which molten rock and gas leave a volcano

Correct Answer: D) Vent.

14. Which volcano is a wide, gently sloping mountains made of layers of lava and is formed by quiet eruptions?

Correct Answer: C) Shield.

15. If lots of lava flows out in one spot on the surface of the Earth it forms a mountain and is called

Correct Answer: C) A volcano.

16. When groundwater heated by a nearby body of magma rises to the surface and collects in a natural pool, it is called a .....

Correct Answer: B) Hot spring.

17. The simplest type of volcano is .....

Correct Answer: D) Cinder cone volcano.

18. Where do we find volcanoes?

Correct Answer: D) All of these.

19. What volcanoes are described as having a wide base?

Correct Answer: A) Shield Volcanoes.

20. Aa lava flows .....

Correct Answer: B) In jagged chunks.