Volcanoes and Earthquakes General Knowledge MCQs - 1

Volcanoes and Earthquakes General Knowledge MCQs - 1

1. The earthquake waves which have transverse movements are known as
(a) Primary waves
(b) Secondary waves ✓
(c) Surface waves
(d) None of the above

2. In the study of which of the following areas, the instrument of ‘Seismograph1 is used?
(a) Stars
(b) Rivers
(c) Earthquakes ✓
(d) Volcanoes

3. During an earthquake, the major destruction is casused by the energy released due to __________.
(a) Sound waves
(b) Light waves
(c) Seismic waves ✓
(d) A combination of sound waves and seismic waves

4. Which of the following measures the strength or magnitude of an earthquake?
(a) Douglas scale
(b) Richter scale ✓
(c) Rankine scale
(d) Kelvin scale

5. "Ring of Fire” refers to the ring of volcanoes present in __________.
(a) Ring of earthquakes
(b) Five permanent members of UN
(c) Circum-Pacific seismic belt ✓
(d) Five continents

6. Which of the following is a post volcanic activity?
(a) Earthquake ✓
(b) Lava ejection
(c) Thermal Spring formation
(d) Typical behaviour of the animals

7. Volcanic eruptions occur due to __________.
(a) Excessive heat inside the earth
(b) Pressure in the baccolith
(c) Lateral displacement of plates
(d) Conversion of rocks in the deeper layers of earth's crust to a molten state of magma ✓

8. Which of the following factors is responsible for occurrence of earthquakes?
(a) Sudden cooling and contraction of the earth’s surface
(b) Activity of some dormant volcanoes
(c) Change of water into steam due to internal heat and its expansion
(d) All of the above cause earthquake ✓

9. A crack in the earth’s crust through which hot magma and gases forces out is called__________.
(a) Eruption
(b) Volcano ✓
(c) Break
(d) Crack

10. Which Island was epicentre of Tsunami on 26, December 2004?
(a) Jawa
(b) Sumatra ✓
(c) Bali
(d) None of them


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