Geology MC Question Paper Solved Quiz
Practice Paper Geology
Q1: The maximum depth of origin of an earthquake so for recorded is :
a) 500 - 600 Km.
b) 600_ 700 Km.
c) 700 _ 800 Km.
d) 900 - 1000 Km.
ANSWER: (c)
Q. 2: P - waves and S- wavers are referred as:
a) Surface waves.
b) Tertiary waves.
c) Body waves.
d) Internal waves.
ANSWER: (c)
Q. 3: The velocity of the P - Waves is about at the surface and about -- at the
mantle- core boundary:
a) 3 Km/sec/10 Km /sec.
b) 6 Km/sec / 14 Km/sec.
c) 7 Km/sec/12 Km/sec.
d) 10 Km/sec/18 Km/sec.
ANSWER: (b)
Q. 4: The S - Waves speed ranges from about ----- in the crust to --f-- at the mantle
core boundary:
a) 3.5 Km/sec./8Km/sec.
b) 5.5 Km/sec/7.5 Km/sec.
c) 4 Km/sec I 89 Km sec.
d) 6 Km / sec/10 Km sec.
ANSWER: (a)
Q. 5: Maximum energy of shallow focus earthquake is carried by:
a) P - Waves.
b) S - Waves.
c) Surface waves.
d) All the above.
ANSWER: (c)
Q. 6: The seismic phases Tn and Sn indicate:
a) P-Waves and S-waves travelling in the crust.
b) P-Waves and S-Waves travelling along the Moro-discontinuity.
0) P-Waves and S-Waves in granitic layer.
d) P-Waves and S- Waves in the core.
ANSWER: (b)
Q. 7: Tertiary waves characterized by:
a) Propagation within the oceans.
b) Propagation within the core of the earth.
c) Ordinary light waves type behaviour.
d) Very high velocity.
ANSWER: (a)
Q. 8: Jeffrey’s - Bullpen table is useful for:
a) Obtaining arrival times of the seismic waves.
b) Obtaining origin time of the earthquake. ~
c) Obtaining Epicentral distances for corresponding S-P time interval.
d) All the above.
ANSWER: (c)
Q. 9: The Speed of Rayleigh waves is about.............. that of shear waves in the same
medium:
a) 0.2 times.
b) 0.56 times.
c) 0.92 times.
d) Same.
ANSWER: (c)
Q. 10: The frequency at which the high frequency changes into low frequency in Fourier
spectrum is called as:
a) Intermediate frequency.
b) Retrograde frequency.
c) Corner frequency.
d) Reflected frequency.
ANSWER: (c)
Q. 11: MKS Scale is for:
a) Magnitude.
b) Intensity.
c) Energy measurement.
d) Amplitude measurement.
ANSWER: (b)
Q. 12 :When the oceanic Lithosphere is thrust under the adjacent continental Iithosp here at
a trench, the resulting is :
a) Reverse fault.
b) Normal fault.
c) Both reverse and normal faults.
d) Graben.
ANSWER: (a)
Q. 13 : The love waves are not recorded in vertical component seismometer because:
a) The particle motion is vertical.
b) The particle motion is horizontal.
c) The slow particle motion.
d) The very fast particle motion.
ANSWER: (b)
Q.14: Solid deposits of sand inside the ground, saturated with water during the vibrations
of seismic waves, behave as a viscous liquid. This phenomenon is called
a) Dispersion.
b) Dilatancy.
c) Liquefaction.
d) Tectonic energy.
ANSWER: (c)
Q. 15 : Natural period of short period seismograph is :
a) 1 Second.
b) 5 Seconds.
c) 10 Seconds.
d) 15 Seconds.
ANSWER: (a)
Q.16: About ----------------area of india falls under active seismic zone
a) 20%.
b) 45%.
c) 55%.
d) 70%.
ANSWER: (c)
Q. 17: Which seismograph is generally considered as a standard seismograph?
a) W.F. Sprengnether Seismograph.
b) Wood-Anderson Seismograph.
c) Will more Seismometer.
d) None of these.
ANSWER: (c)
Q. 18: New lithosphere is formed at:
a) Oceanic floor.
b) Continental margins.
c) Midoceamic tremolos. .
d) Nlicloceanic ridges.
ANSWER: (d)
Q. 19: Planes separating the zones of compression and dilatations are called:
a) Null Vector.
b) Nodal Planes.
c) Dilatation Planes.
d) Azimuth. Planes.
ANSWER: (b)
Q. 20: What was the magnitude of Koyna earthquake occurred in 1967?
a) 6.0.
b) 6.3.
c) 6.6.
d) 6.8.
ANSWER: (b)
Q. 21: What was the focal depth of Koyna earthquake?
a) 5 Km.
b) 8 Km.
c) 10 Km.
d) 15 Km.
ANSWER: (c)
Q. 22: The medium aperture array which BARC is operating in India is:
a) Gauribidanur seismic Array.
b) Jorhat Telemetry Array.
c) Tezpur Telemetry Array.
d) None of these.
ANSWER: (a)
Q. 23: The Indo - Australian gate generally moving towards:
a) North.
b) South.
c) East.
d) West.
ANSWER: (a)
Q. 24: Earthquakes in Hindukush region generally occurred at a depth of:
a) 100 km.
b) 180 Km.
c) 195 Km.
d) 220 Km.
ANSWER: (d)
Q. 25: What was the magnitude of the later earthquake occurred in 1993:
a) 5.8.
b) 6.4.
c) 6.8.
d) 7.2.
ANSWER: (b)
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