Elementary Seismology Objective Geology Test
Geology Model Test Paper
Q.1: The area of greatest earthquake disturbance is called:
a) Homoseismals area.
b) lsoseismal area.
c) Meizoseismal area.
d) Coseismal area.
ANSWER: (c)
Q. 2: Love waves are denoted by LQ where:
a) L for long waves and Q for Llewellyn.
b) L for long waves and Q for Quality.
c) L for longitudinal waves and Q for Quality.
d) L for Lateral waves and Q for Quantity.
ANSWER: (a)
Q. 3: Which earthquakes are more destructive?
a) Very deep earthquakes.
b) Deep earthquakes.
c) Shallow earthquakes.
d) None of these.
ANSWER: (c)
Q.4: Mark the correct statement
a) Intensity is based on damage and magnitude is based on energy released.
b) Intensity would be different at different places for the same earthquake.
c) Magnitude determined by the same method would remain one at different places for the same
earthquake.
d) All the above statement is correct.
ANSWER: (d)
Q. 5 ln many earthquakes mine workers below ground report less shaking than people on
the surface, this is because of:
a) Hallow place in the mine.
b) Double the amplitude of the upcoming waves.
c) Weathered rocks are available on the surface.
d) This statement is wrong.
ANSWER: (b)
Q. 6: The larger period waves travel at deeper depths with larger velocity and hence arrive
first. This phenomenon is called:
a) Liquefaction.
b) Dilatancy.
c) Tsunamis.
d) Dispersion.
ANSWER: (d)
Q. 7 : Earthquake precursors indicate that before the occurrence of an earthquake
a) The Vp/Vs ratio first decreases then increases.
b) The electrical resistivity decreases.
c) The radon emission first increases then decrease.
d) All the above one correct.
ANSWER: (d)
Q. 8: Earthquake lights have been reported form:
a) ldukki earthquake (1988)
b) Uttarkashi earthquake (1991)
c) Koyna earthquake (1967).
d) Both (a) and (b).
ANSWER: (b)
Q.9. Natural period of long-period seismograph is :
a)10-15 Seconds.
b) 15- 20 Seconds.
c) 20- 25 Seconds
d) 25- 50 Seconds.
ANSWER: (b)
Q. 10: Tsunamis is:
a) The sea waves caused by sudden subsidence or uplift of sea tour.
b) Seismic waves occurred in desert areas.
c) Seismic waves in the air.
d) Type of the seismograph.
ANSWER: (a)
Q. 11: Generally, vertical and horizontal acceleration value of an earthquake is in the ratio of
a)1:2
b)1:3
c)2:3
d)3:4
ANSWER: (c)
Q. 12: The Zones of seismic activity in island areas are known as:
a) Seismic Zones.
b) Ben off Zones.
c) Orientation Zones.
d) None of these.
ANSWER: (b)
Q. 13 : Match the following columns :
I II
1) Micro earthquakes i) 3 to 5 M.
2) small earthquakes ii) 7 to 7.9 M.
3) Moderate earthquakes iii) More than 8.M.
4) Major earthquake iv) Less than 3 M.
5) Great earthquake v) 5to.6.9 M.
a)1-ii,2-iii,3-v,4-i,5-iv.
b)1-iv,2-i,3-V,4-ii,5-iii.
c)1-i,2-i,3-iii,4-iv,5-v.
d)1-iv,2-v,3-ii,4-i,5-iii.
ANSWER: (b)
Q. 14: Which earthquake is a good example of the Reservoir lnducedseismicity (RIS)?
a) Uttarkashi earthquake.
b) Indukki earthquake.
c) Later earthquake.
d) Koyna earthquake.
ANSWER: (d)
Q. 15: Seismometer vault is:
a) A part of the seismometer.
b) A type of graph used in seismometer
c) A device to record arrival times of the waves.
d) The protective house in which a seismometer is installed.
ANSWER: (d)
Q. 16: "Allah Bund" is a scarp created over a distance of about 25 Km due to the:
a) Bihar earthquake (1934)
b) Kutch earthquake (1819)
c) Hindukush earthquake (1907)
d) Koyna earthquake (1967)
ANSWER: (b)
Q. 17: Largest magnitude for the Indian earthquake recorded so for is:
a) 7.9 M.
b) 8.2 M.
c) 8.7 M.
d) 9.2 M.
ANSWER: (c)
Q. 18: National Geophysical Research Institute is located at:
a) Delhi.
b) Bombay.
c) Hyderabad.
d) Nagpur.
ANSWER: (c)
Q. 19 : India has been divided in -- ------- Seismic zones.
a) 3.
b) 5.
c) 7.
d) 10.
ANSWER: (b)
Q. 20: Magnitude of the Uttarkashi earthquake (1991) was:
a) 5.0 M.
b) 5.5 M.
c) 6.5 M.
d) 7.0 M.
ANSWER: (d)
Q. 21: Shillong region falls in the seismic Zone:
a) II
b) III
c) IV
d) V
ANSWER: (d)
Q. 22: Recent studies show that the average velocity of P - Waves along the earth s
rotational axis is about -- - faster than in the equatorial plane:
a)1 %.
b) 32%.
C) 5%.
d) 10 %
ANSWER: (a)
Q. 23: Catastrophic term is applied to describe an earthquake when:
a) General awakening of those asleep.
b) Fall of chimneys.
c) Total destruction and objects thrown into air.
d) Partial or total destruction of some buildings.
ANSWER: (c)
Q. 24: The depth of shallow earthquake lies upto:
a) 40 Km.
b) 70 Km.
c) 100 Km.
d) 135 Km.
ANSWER: (b)
Q. 25: The Mohr - boundary between the crust and the mantle discovered form the
Difference in the:
a) Density.
b) Gravity.
c) Velocities of seismic waves.
d) None of these.
ANSWER: (c)
No comments:
Post a Comment