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Subject:

geography

Class:

class VIII

Key Concepts

earthquakes, terrorism, floods and droughts, disasters, volcanoes, faults, disaster management, manmade, oil spill

essential questions

1. What do disasters teach us?
2. Do you think disasters can be avoided?

Remembering:

  1.  Which of the following is not part of geological disaster? a) Volcanoes b) Earthquakes c) Tsunami  d) Sea Surge
  2. A geophysicist who studies earthquakes and the mechanical characteristics of the Earth is called _______. a) Seismologist b) Geologist c)  Geographer d) Archaeologist
  3. The National Disaster Management Authority (NDMA) is headed by a) Prime Minister of India b) President of India c) Governor of States d) Chief Minister of States
  4. Volcanic erupted material when inside the hill/earth/mountain it is called a) Lava b) Magma c)Lahars d) None of these
  5. Which of the following is not a man-made hazard? a) Leakage of Toxic waste b) Wars and Civil Strife c) Drought d) Environmental pollution
  6. Generally the number on Richter Scale ranges between – a) 0 and 6  b) 0 and 9  c) 1 to 5  d) 1 to 12
  7. The Disaster Management Act was made in a)  2006 b) 2003 c) 2005 d)  2009
  8. Which of the following is seasonally related hazard a) Earthquake b) Volcanic eruption c) Terrorist attack d) None of the above
  9. The level of harm by a hazard is governed by a) Magnitude of the hazard b) Frequency of the hazard c) Intensity at the impact point  d) All of the above
  10. Which of the following is not an atmospheric hazard a) Epidemic in human b) Hail c)Heavy rainfall
  11. The Richter scale expresses an earthquakes a) Magnitude b) Location c) Duration d) Depth
  12. The point of the earth’s surface directly above the point where an earthquake occurs is called the:  a) Focus  b) Epicenter c) Fracture d) Fault
  13. Which of the following is a man-made disaster: a) Terrorism b) Major fire c) Pollution d) All of the above
  14. The instrument which records earthquake wave is called a) Climograph  b) Seismograph c) Hythergraph d) None of the above
  15. Which is known as seismic wave ? a) Tsunami b) Hurricane c) El Nino d) Typhoon
  16. Vulnerability analysis comes in which part of the Disaster Management Cycle a) Mitigation b) Preparedness c) Response d) Recovery

understanding:

  1. What causes Tsunami? a) Sudden vertical movement of the Earth b)  Convergence of destructive plates in the ocean floor c)Explosive volcanic eruptions in the seas/oceans. d) All of the above
  2. Bhopal Gas Disaster is a kind of: a) Natural disaster b) Manmade disaster c)  None of the above
  3. What is Ring of Fire? a) Belt of volcanoes in the Pacific region b. Belt of volcanoes in the mid-continental region c) Belt of volcanoes in the mid-atlantic region d. None of the above
  4. Disaster Management includes: a) Mitigation b) Reconstruction c) Rehabilitation d) All of the above
  5. Tsunami’s can occur only during a) Evening b) Afternoon c) Any time of the day or night d) Morning
  6. Effective hazard management largely rely on a) Govt. agencies b) Emergency responses c) Pre-disaster planning d) Volcanoes
  7. Floods can be prevented by a) Afforestation b) Cutting the forest c) Tilling the land d) Removing the top soil
  8. Which of the following groups of people is more vulnerable in the event of disaster? a) Men, boys, old people b) Men, women, boys c) Women, children, old people d) None of the above

Application:

  1. Volcanoes are generally found where a.) Intra plates pull apart or are coming together b) Tectonic plates pull apart or are coming together c) Earth’s crust pull apart or are coming together d) None of these pull apart or are coming together

Analysis:

Consider the following statement is/ are reason for volcanic eruption

Statement 1:  Movement and splitting of the major and minor plates of the Earth  Statement 2: Origin of magma because of lowering of melting point inside the Earth caused by reduction in the pressure due to the splitting of plates and their movements in opposite directions.

a) Both Statement 1 and Statement 2 are true and Statement 2 is correct explanation for statement 1.

b) Both statement 1 and Statement 2 are true but statement 2 is not the correct explanation for statement 1.

c) Statement 1 is true and Statement 2 is false

d) Statement 1 is false and statement 2 is true

Consider the following statement (s) is/are related to the strategy to combat earthquake disasters.

Statement 1: Establishing earthquake monitoring centers for regular monitoring and fast dissemination of information among the people in the vulnerable areas. Statement 2: Modifying the house types and building designs in the vulnerable areas and discouraging contribution of high rise buildings, large industrial establishments and big urban centers in such areas.

a) Both Statement 1 and Statement 2 are true and Statement 2 is correct explanation for statement 1.

b) Both statement 1 and Statement 2 are true but statement 2 is not the correct explanation for statement 1.

c) Statement 1 is true and Statement 2 is false

d) Statement 1 is false and statement 2 is true

Consider the following statement (s) is/are related to the characteristics of tsunami waves. Statement 1:Tsunamis are high energy sea waves caused mainly by the deep focus earthquakes of high magnitude. Statement 2: Preparing a vulnerability map of the country and dissemination of vulnerability risk information among the people.

a) Both Statement 1 and Statement 2 are true and Statement 2 is correct explanation for statement 1.

b) Both statement 1 and Statement 2 are true but statement 2 is not the correct explanation for statement 1.

c) Statement 1 is true and Statement 2 is false

d) Statement 1 is false and statement 2 is true

Consider the following statement (s) is/are related to the remedial steps to reduce the risk of life and properties by landslides..

Statement 1: Mapping of landslide prone areas on construction of houses, felling of trees and grazing in landslide prone areas should be prohibited or restricted. Statement 2: Afforestation in the vulnerable areas is an effective way of durable landslides control.

a) Both Statement 1 and Statement 2 are true and Statement 2 is correct explanation for statement 1.

b) Both statement 1 and Statement 2 are true but statement 2 is not the correct explanation for statement 1.

c) Statement 1 is true and Statement 2 is false

d) Statement 1 is false and statement 2 is true

 

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