Earthquakes: MCQ Test (25 questions)

Question 1 of 25

Earthquakes affect continental areas as well as oceanic regions, and this creates severe waves in the oceans. By what name are these waves known?

Atidal wall
BSeiches waves
CSadashiv
DTsunami

Question 2 of 25

Which of the following statements is not correct?

AThe line joining the places of equal destruction due to earthquake is called isoseismic line.
BThe shape of isoseismic line is regular.
CThe line joining the places where earthquakes occur simultaneously is called a coseismic line.
DThe instrument that records seismic waves is called a seismograph.

Question 3 of 25

Whose science is “Seismography”?

Arivers
BEarthquake
CMountain
Dvolcano

Question 4 of 25

What is a “seismograph” used to measure?

Ato the ocean waves
Bto the tides
Cto seismic waves
Dnone of these

Question 5 of 25

What is the range of intensity scale used to measure earthquakes?

A1 to 15
B1 to 5
C1 to 7
D1 to 12

Question 6 of 25

Which seismic wave cannot pass through liquids?

AP
BL
CS
Dnone of the above

Question 7 of 25

Which of the following seismic waves causes the most damage?

Aprimary
BSecondary
Clong surface
Dhorizontal

Question 8 of 25

Which of the following is an unpredictable natural disaster?

Aearthquake
Bhurricane
Ctornado
Dhymn

Question 9 of 25

The most important source of reliable information about the internal structure of the Earth is –

Aseismology
Btemperature
Cvolcano
Dpressure and density

Question 10 of 25

What is the place in the earth's crust where seismic waves originate called?

Aepicenter
Bearthquake epicenter
Cearthquake center
DEclogite

Question 11 of 25

The Ring of Fire is the vast region of the Pacific Ocean where ………….. of the total earthquakes occur.

A68 percent
B40 percent
C30 percent
D25 percent

Question 12 of 25

Who has propounded the elastic rebound theory related to the origin of earthquake?

AHolmes
BReed
CJolly
DDaily

Question 13 of 25

What is the point of origin of an earthquake wave called?

Aepicenter
BFocus
Clight board
Dseismic zone

Question 14 of 25

In which country are the destructive sea waves caused by earthquakes called tsunamis?

AMexico
BJapan
CBritain
DNew Zealand

Question 15 of 25

In which of the following belts do most (63 percent) of the world's earthquakes occur?

Acircum-pacific oceanic belt
Bmid-continental belt
CCentral Atlantic Belt
DIndian Ocean belt

Question 16 of 25

What is the point on the Earth's surface directly above the epicenter of an earthquake called?

Ainner center
Broot center
Ceccentric
DCentral Centre

Question 17 of 25

The “focus” of an earthquake is the place where –

AEarthquake waves are first detected on the surface
Bwhere earthquakes originate
CThe place from where, after the origin of an earthquake, its waves travel to the place immediately below and then return back.
Dnone of the above

Question 18 of 25

What are the sea waves produced by submarine earthquakes called?

ACirque
BTsunami
CScale
DChem

Question 19 of 25

Which of the following statements is not correct?

AThe Richter scale is an instrument for measuring the intensity of an earthquake.
BThe Richter scale is a logarithmic scale.
CThis scale measures the energy of an earthquake.
Dnone of these

Question 20 of 25

The line joining those places in an area where earthquakes are experienced simultaneously is called –

Aisoseismic line
Bco-seismic line
Cisopycnic line
DIsogonal line

Question 21 of 25

Surface waves in an earthquake are

Asecondary waves
BL waves
Cprimary waves
Dprimary and secondary waves

Question 22 of 25

What is the line joining places of equal seismic intensity i.e. equal destruction called?

Aisoseismic line
Bco-seismic line
Cisotherm
Disobar

Question 23 of 25

“Epicentre” is a point of earthquake which is related to –

Afrom the origin of the earthquake inside the Earth
BFrom the point on the earth's surface above the epicenter of the earthquake
CThe place where an earthquake is felt.
DThe point on the Earth's surface where the first shock is felt

Question 24 of 25

The "elastic rebound theory" explains the origin of which of the following?

Avolcano
Bhurricane
Cearthquake
Dearthquake and volcano

Question 25 of 25

Which of the following phenomena does not occur on the surface?

Avolcano
Bweathering
Cerosion
DTsunami