Download SR 52(7) 58-59

QUIZ
DR. AMAL KUMAR MONDAL & DR. SANJUKTA MONDAL (PARUI)
1.
a)
b)
c)
d)
What is the actual name of the top layer of the earth?
Mantle
Crust
Outer core
None of the above
2.
a)
b)
c)
d)
The crust of the earth is composed of
The crust is one big plate.
The crust is divided into 7 bigger and several smaller plates.
The crust is composed of thousands of broken pieces
None of the above
4. What is the epicenter of an earthquake?
a) The dura on of an earthquake?
b) Place on the earth’s surface, exactly above the hypocenter of
the earthquake?
c) The Region where the earthquake was felt?
d) None of the above
10. Can scienƟsts predict earthquakes?
a) Yes
b) No
c) None of the above
Focus
5. What is the name of the most commonly used earthquake
magnitude scale?
Seismo Scale
Richter scale
Hector scale
None of the above
SCIENCE REPORTER, JULY 2015
Earthquake ground moƟon is recorded with a ...?
Seismograph
Seismogram
All of the above
None of the above
Fault Trace
Epicentre
a)
b)
c)
d)
7.
a)
b)
c)
d)
9. How many seismic staƟons make up
p the India seismographic
g
network?
a) 50
b) 82
c) 112
d) 221
e) None of the above
Focus
Seismic Waves
Can a magnitude 3 earthquake destroy a house?
Yes
No
None of the above
8. When an earthquakes occurs, it releases energy in the form of
waves that radiate from the earthquake source in all direcƟons.
Which is the fastest wave?
a) P-Wave
b) S-Wave
c) Surface Wave
d) None of the above
3. What causes strong earthquakes to happen?
a) A strong earthquake is caused by a sudden slip on a fault?
Plate Movement
b) A strong earthquake is
Seismic Waves
caused by people, as in
Epicentre
explosions?
c) All of the above
d) None of the above
Fault scrap
6.
a)
b)
c)
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QUIZ
11. How can we protect ourselves from earthquakes?
a) We can do nothing.
b) We can build broader streets.
c) We can build well designed and constructed houses.
d) All of the above
17. The San Andreas Fault Zone has formed where the edge of
the Pacific plate is slipping...
a) Under the North American
plate
b) North along the North
American plate
c) Over the North American
plate
d) South along the North
American plate
12. Latest earthquake in India.
a) Earthquake in Nepal
felt across north India
b) Earthquake in Gujarat
felt across west India
c) All of the above
d) None of the above
18. The Pacific Ring of Fire is an earthquake zone that forms a ring
around...
a) The Atlan c Ocean
b) South America
c) The Pacific Ocean
d) North America
13. The place where slippage first occurs is called the
earthquake’s...
a) Focus
b) Epicenter
c) Magnitude
d) Intensity
14. Which of the following best describes aŌershocks?
a) Seismic waves that cannot
travel through liquids
b) A series of small tremors
occurring a er a major
earthquake
c) Areas along a fault where
slippage and fracturing first occur
d) Giant ocean waves that originate at a fault zone
e) None of the above
15. The force that can change the size
and shape of rocks is called
a) Magnitude
b) Elas city
c) Stress
d) Fric on
19. Which type of seismic wave travels the fastest?
a) L wave
b) P wave
c) S wave
d) Surface wave
Compressions
Dillations
Waves are travelling this way
20. Which type of seismic wave causes rock parƟcles to move
together and apart in the same direcƟon as the wave is moving?
a) L wave
b)S wave
c) P wave
d)Surface wave
e) None of the above
P Waves
Before
After
16. Most earthquakes occur along or near the edges of the ...
a) North American plate
b) Earth’s oceans and lakes
c) Eurasian plate
d) Earth’s lithospheric plates
Waves are travelling this way
Answers:
1.b
2.b
8.a
9.b
15.b
16.d
3.a
10.b
17.b
4.b
11.c
18.c
5.b
12.a
19.b
6.c
13.a
20.c
7.a
14.b
Contributed by Dr. Amal Kumar Mondal, Associate Professor of Botany,
Department of Botany & Forestry, Plant Taxonomy, Biosystematics and
Molecular Taxonomy Laboratory, Vidyasagar University, Midnapore-721102,
West Bengal, India. Email: [email protected]; amalcae_botvu@
yahoo.co.in, [email protected]
Dr. Sanjukta Mondal Parui, Associate Professor in Zoology and Head of the
Department, Department of Zoology, Department of Zoology, Lady Brabourne
College, Kolkata–700016, West Bengal, India.
Email: [email protected]
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SCIENCE REPORTER, JULY 2015