Volcanoes and volcanism explain how molten magma from the Earth comes out on the surface through cracks and openings. This process leads to volcanic eruptions that form landforms like volcanic mountains, lava plateaus, and islands. In shaping Earth’s surface, volcanic activity plays a very important role. It also affects the climate on Earth, soil fertility, and human life. Understanding volcanoes helps us to know about Earth’s internal structure, and questions are often asked in competitive exams from this unit. We have drafted this MCQ to help you revise and improve your MCQ-solving ability.