Earthquakes & Volcanoes MCQs with Answers

Past Paper MCQ

Which country has the most volcanic activities in the world?

• A.Japan
• B.Iceland
• C.Indonesia
• D.United States

What are the two types of body waves?

• A.Longitudinal waves and Transverse waves
• B.Love waves and Rayleigh waves
• C.Primary waves and Surface waves
• D.P waves and S waves

Where do body waves originate during an earthquake?

• A.Epicentre
• B.Hypocentre (Focus)
• C.Seismograph Station
• D.Fault Scarp

How are earthquake waves classified based on the medium they travel in?

• A.Surface waves and Body waves
• B.Primary waves and Secondary waves
• C.Love waves and Rayleigh waves
• D.Compressional waves and Shear waves

Through which mediums can P waves travel?

• A.Solids only
• B.Solids and liquids only
• C.Solids, liquids, and gases
• D.Liquids and gases only

What is the nature of S waves in terms of motion and propagation?

• A.Parallel to the direction of propagation
• B.Perpendicular to the direction of propagation
• C.Circular motion along the direction of propagation
• D.None of these

Which type of earthquake waves travel on the surface of the earth and cause most of the destruction?

• A.Body waves
• B.Surface waves
• C.Primary waves
• D.Secondary waves

Plotting of the vibrations caused by an earthquake on a paper is called:

• A.Seismograph
• B.Seismogram
• C.Richter Scale
• D.Epicenter

Earthquake waves ........ in velocity upon entering in the mantle.

• A.Remain constant
• B.Decrease
• C.Increase
• D.First decrease then increase

Some countries experience more earthquakes than others because ?

• A.They are located near tectonic plate boundaries
• B.They are situated in tropical regions
• C.They have high population density
• D.They are closer to the equator