Unit 5: Disaster management - Practice Quiz

CHE110 — Environmental Studies 60 Questions
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1 Which of the following is a natural disaster?

Natural disasters Easy
A. Oil spill
B. Train collision
C. Earthquake
D. Factory fire

2 Which disaster is directly related to the overflow of water?

Water-related disasters Easy
A. Earthquake
B. Drought
C. Heat wave
D. Flood

3 What is a drought?

Floods and drought Easy
A. A sudden movement of the ground
B. A large sea wave
C. A strong rotating wind
D. A long period with little rainfall

4 Which of the following is an air-related disaster?

Air-related disasters Easy
A. Volcanic eruption
B. Landslide
C. Flood
D. Tornado

5 A cyclone is mainly characterized by:

Cyclones and storms Easy
A. Sudden shaking of the ground
B. Lack of rainfall for years
C. Spiraling winds around low pressure
D. Falling rocks from a mountain

6 Which disaster involves the sudden movement of rocks and soil down a slope?

Earth-related disasters Easy
A. Drought
B. Cyclone
C. Tsunami
D. Landslide

7 What instrument is used to record earthquake vibrations?

Earthquakes Easy
A. Barometer
B. Rain gauge
C. Thermometer
D. Seismograph

8 Which condition can increase the risk of a landslide?

Landslides Easy
A. Gentle sunshine
B. Heavy rainfall
C. Clear skies
D. Low humidity

9 What is an avalanche?

Avalanches Easy
A. A release of volcanic gases
B. A rapid flow of snow down a slope
C. A rotating column of air
D. A sudden rise in sea level

10 What may come out of a volcano during an eruption?

Volcanic eruptions Easy
A. Wind and dew
B. Sand and cotton
C. Lava and ash
D. Freshwater and ice

11 Which of the following is a manmade disaster?

Manmade disasters Easy
A. Industrial accident
B. Drought
C. Cyclone
D. Earthquake

12 A nuclear disaster may release harmful:

Nuclear disasters Easy
A. Sunlight
B. Rainwater
C. Oxygen
D. Radiation

13 What is a chemical disaster?

Chemical disasters Easy
A. A seasonal change in temperature
B. An accidental release of hazardous chemicals
C. A shortage of food caused by drought
D. A natural movement of tectonic plates

14 Which event is an example of a biological disaster?

Biological disasters Easy
A. Cyclone landfall
B. Bridge collapse
C. Disease outbreak
D. Volcanic eruption

15 Which of the following is a transport accident?

Transport accidents Easy
A. Train derailment
B. Volcanic eruption
C. Mountain avalanche
D. River drought

16 What is the main purpose of a national disaster management framework?

National disaster management framework Easy
A. To regulate ordinary market prices
B. To increase traffic in cities
C. To control daily school activities
D. To guide disaster risk reduction and response

17 Which is an important role of governmental agencies during a disaster?

Role of governmental agencies in disaster response Easy
A. Blocking emergency services
B. Ignoring affected communities
C. Organizing rescue and relief
D. Spreading unverified rumors

18 How can NGOs help during a disaster?

Role of NGOs in disaster response Easy
A. Damaging emergency shelters
B. Providing food and medical aid
C. Creating false warnings
D. Stopping all communication

19 Why are community-based organizations important during disasters?

Role of community-based organizations in disaster response Easy
A. They replace all hospitals
B. They understand local needs
C. They control weather conditions
D. They prevent emergency alerts

20 What is a responsible role of the media during a disaster?

Role of media in disaster response Easy
A. Sharing accurate safety information
B. Broadcasting unverified rumors
C. Hiding official warnings
D. Encouraging unsafe behavior

21 A town lies near a river, a fault line, and a steep hillside. Which planning approach best addresses its overall disaster risk?

Natural disasters Medium
A. Focus mainly on post-disaster relief
B. Use a multi-hazard risk assessment
C. Build shelters only on the hillside
D. Prepare only for river flooding

22 After heavy rain, a village's drinking-water sources become contaminated. What should be done first?

Water-related disasters Medium
A. Boil or disinfect drinking water
B. Resume normal water collection
C. Add untreated river water
D. Increase water storage outdoors

23 A district alternates between flash floods and long dry periods. Which measure would best reduce both risks?

Floods and drought Medium
A. Depend only on emergency food supplies
B. Improve watershed and water storage management
C. Remove vegetation from slopes
D. Build houses beside drainage channels

24 During a severe air-pollution episode, which action most directly protects people with asthma?

Air-related disasters Medium
A. Burn waste to clear nearby vegetation
B. Keep windows open continuously
C. Exercise outdoors at midday
D. Reduce outdoor exposure and follow health advisories

25 A coastal warning predicts a powerful cyclone will arrive within 24 hours. Which action should authorities prioritize?

Cyclones and storms Medium
A. Wait until winds become destructive
B. Evacuate vulnerable coastal communities
C. Send residents to low-lying beaches
D. Open windows to equalize pressure

26 Which combination most clearly indicates elevated earth-related hazard in a settlement?

Earth-related disasters Medium
A. Flat land and stable bedrock
B. Wide roads and strong bridges
C. Steep slopes and active faults
D. Low rainfall and deep soil

27 During an earthquake inside a classroom, which response is safest?

Earthquakes Medium
A. Use the elevator to leave
B. Drop, cover, and hold on
C. Stand beside a glass window
D. Run toward the staircase immediately

28 A road cuts across a steep, rain-soaked slope. Which measure would most effectively reduce landslide risk?

Landslides Medium
A. Remove supporting vegetation
B. Block all drainage channels
C. Increase slope loading
D. Install drainage and stabilize the slope

29 A mountain trail has received heavy snowfall followed by rapid warming. What is the safest decision?

Avalanches Medium
A. Avoid avalanche-prone routes
B. Travel across steep open slopes
C. Gather below unstable snowfields
D. Remove warning signs from trails

30 During an ash-producing volcanic eruption, which action best reduces respiratory exposure?

Volcanic eruptions Medium
A. Drive toward the ash plume
B. Open all doors and windows
C. Wear suitable masks and stay indoors
D. Sweep ash into open drains

31 A factory stores flammable chemicals near a densely populated neighborhood. Which prevention measure is most appropriate?

Manmade disasters Medium
A. Ignore minor safety violations
B. Increase storage near residential areas
C. Restrict information about hazards
D. Strengthen inspections and emergency planning

32 Following a nuclear release warning, authorities advise residents to shelter indoors. Why is this recommended?

Nuclear disasters Medium
A. Sheltering increases radioactive exposure
B. Radiation affects only vehicles
C. Buildings can reduce exposure to radiation
D. Outdoor air always neutralizes radiation

33 A toxic gas leak occurs upwind of a residential area. Which immediate action is generally safest for residents?

Chemical disasters Medium
A. Move toward the visible cloud
B. Follow official instructions and move crosswind or upwind
C. Remain beside the leaking container
D. Use flames to identify the gas

34 During an outbreak of a contagious disease, which measure most directly interrupts transmission?

Biological disasters Medium
A. Use isolation, hygiene, and vaccination when available
B. Increase crowding in public places
C. Share unverified remedies
D. Ignore symptomatic individuals

35 After a tanker collision, an unknown liquid is leaking onto the road. What should bystanders do first?

Transport accidents Medium
A. Approach to identify the liquid
B. Keep away and alert emergency services
C. Touch the liquid with bare hands
D. Light a match to test flammability

36 Why does a national disaster management framework assign responsibilities before disasters occur?

National disaster management framework Medium
A. To eliminate the need for local planning
B. To clarify coordination and accountability
C. To replace hazard monitoring systems
D. To delay decisions during emergencies

37 A flood has displaced thousands of people. Which governmental action should be prioritized during the initial response?

Role of governmental agencies in disaster response Medium
A. Wait for private donations before acting
B. Suspend all emergency communications
C. Provide search, rescue, shelter, and essential services
D. Begin long-term tourism promotion

38 A local health system is overwhelmed after an earthquake. How can an experienced NGO contribute most effectively?

Role of NGOs in disaster response Medium
A. Prevent coordination with local authorities
B. Duplicate every government activity
C. Distribute supplies without needs assessment
D. Provide specialized medical and relief support

39 Why are community-based organizations valuable during the first hours after a disaster?

Role of community-based organizations in disaster response Medium
A. They can replace all technical agencies
B. They usually understand local needs and resources
C. They work without communicating with residents
D. They should control national warning systems

40 Which media practice best supports public safety during a rapidly developing disaster?

Role of media in disaster response Medium
A. Broadcast unverified rumors quickly
B. Hide evacuation routes from the public
C. Share verified warnings and protective instructions
D. Publish victims' private details without consent

41 A hazard becomes a disaster primarily when it:

Natural disasters Hard
A. Occurs in an uninhabited region
B. Produces measurable environmental change
C. Is officially classified by a government
D. Exceeds the coping capacity of an exposed community

42 After intense rainfall, a downstream town faces contamination of its drinking-water wells. Which factor most directly increases the health risk?

Water-related disasters Hard
A. Reduced surface-water velocity
B. Infiltration of untreated floodwater
C. Higher groundwater recharge
D. Lower atmospheric humidity

43 A basin experiences alternating flash floods and seasonal droughts. Which strategy best addresses both risks without simply maximizing reservoir storage?

Floods and drought Hard
A. Restrict all irrigation during rainy months
B. Combine watershed restoration with demand management
C. Drain wetlands and deepen channels
D. Use only emergency water tankers

44 During a severe urban smog episode, which public-health action is most appropriate for reducing exposure before pollution levels decline?

Air-related disasters Hard
A. Increase outdoor exercise at dawn
B. Reduce outdoor activity and improve indoor filtration
C. Use water sprinklers only on residential roofs
D. Open windows facing major roads

45 A cyclone warning is issued for a densely populated coastal district. Which decision best reflects risk-based evacuation planning?

Cyclones and storms Hard
A. Wait until rainfall becomes heavier than normal
B. Evacuate the entire state regardless of exposure
C. Evacuate low-lying zones using forecast and vulnerability data
D. Evacuate only after landfall is confirmed

46 Why can the same magnitude earthquake produce very different levels of damage in two nearby cities?

Earth-related disasters Hard
A. Earthquake duration is identical everywhere
B. Magnitude changes after crossing borders
C. Damage depends on exposure, building vulnerability, and local ground conditions
D. Population density has no effect on losses

47 During strong shaking inside a multistory building, which action generally offers the best immediate protection?

Earthquakes Hard
A. Drop, cover, and hold until shaking stops
B. Use the elevator before power fails
C. Run toward the nearest staircase
D. Stand beside a glass window

48 A hillside shows tension cracks after prolonged rain, and a road-cut has removed toe support. Which intervention most directly reduces immediate slope failure risk?

Landslides Hard
A. Add water to compact the upper soil
B. Remove drainage channels from the slope
C. Increase traffic vibration near the cracks
D. Restore toe support and control surface water

49 A snowpack contains a weak layer beneath a recently deposited slab. Which condition most increases the likelihood of a slab avalanche?

Avalanches Hard
A. Rapid loading by wind-drifted snow
B. Uniform melting over several weeks
C. A gradual decrease in slope angle
D. Removal of all loose snow from the surface

50 A community lies downwind of an explosive volcano. Which preparedness measure is most specifically aimed at reducing ash-related respiratory impacts?

Volcanic eruptions Hard
A. Increase aircraft operations near the crater
B. Stockpile masks and protect ventilation systems
C. Remove warning sirens from public buildings
D. Construct seawalls along the coastline

51 A factory accident releases toxic gas into a nearby settlement. Which initial response principle is most appropriate?

Manmade disasters Hard
A. Rely on unverified social-media instructions
B. Enter the plume to identify the odor
C. Establish a hazard zone and follow protective-action guidance
D. Wash all exposed materials into local drains

52 After a suspected radioactive release, why is sheltering indoors sometimes preferred over immediate evacuation?

Nuclear disasters Hard
A. Indoor walls can reduce exposure while plume conditions are assessed
B. Radiation cannot travel through outdoor air
C. Sheltering permanently removes radioactive contamination
D. Evacuation always increases radiation dose

53 A tanker overturns and releases an unknown chemical near a school. Which action should untrained bystanders avoid?

Chemical disasters Hard
A. Keeping people away from the release area
B. Calling emergency services from a safe location
C. Approaching the spill to identify its smell
D. Moving upwind and uphill

54 During an outbreak with limited laboratory capacity, which surveillance approach best supports early detection of expanding transmission?

Biological disasters Hard
A. Suspend all case reporting until certainty is reached
B. Report only laboratory-confirmed deaths
C. Count only cases from major hospitals
D. Combine syndromic surveillance with targeted testing

55 Following a train derailment involving an unknown substance, which rescue priority best follows incident-safety principles?

Transport accidents Hard
A. Allow bystanders to assist without protective equipment
B. Move all injured people through the visible vapor
C. Protect responders and establish zones before rescue operations
D. Begin mass entry before identifying the cargo

56 Which feature most improves coordination in a national disaster management framework when responsibilities overlap across agencies?

National disaster management framework Hard
A. Complete centralization of every local decision
B. Predefined roles, interoperable communication, and unified coordination
C. Separate emergency plans for each department
D. Independent decisions without shared terminology

57 A government agency receives conflicting damage reports from several districts. What should it do first to allocate scarce rescue resources fairly?

Role of governmental agencies in disaster response Hard
A. Distribute resources equally regardless of severity
B. Wait for complete data before any deployment
C. Use verified needs assessments and life-safety priorities
D. Select the district with the loudest media coverage

58 An NGO plans to distribute food after a flood. Which practice most reduces the risk of creating dependency or inequity?

Role of NGOs in disaster response Hard
A. Replace local suppliers with imported goods permanently
B. Distribute identical packages without assessing needs
C. Coordinate with authorities and involve affected groups
D. Serve only communities that are easiest to reach

59 Why are community-based organizations often crucial during the first hours after a disaster?

Role of community-based organizations in disaster response Hard
A. They eliminate the need for governmental coordination
B. They have unlimited supplies and legal authority
C. They possess local trust, knowledge, and networks
D. They can replace all technical emergency services

60 A media outlet receives an unverified claim that a dam has failed. What is the most responsible response?

Role of media in disaster response Hard
A. Repeat the claim with anonymous certainty
B. Verify the claim and label uncertainty clearly
C. Suppress all disaster-related information
D. Publish immediately to maximize attention