Unit 5: Disaster management - Practice Quiz

1 Which of the following is an example of a natural disaster?

2 Which of the following is a water-related disaster?

3 A drought is best described as a prolonged period of:

4 Which condition most directly causes a flood?

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

6 A cyclone is characterized by:

7 The calm central region of a cyclone is called the:

8 Which of the following is an earth-related disaster?

9 The instrument used to measure the magnitude of an earthquake is the:

10 The point on the Earth's surface directly above the origin of an earthquake is called the:

11 A landslide is best described as the:

12 An avalanche primarily involves the rapid movement of:

13 Molten rock that flows out during a volcanic eruption is called:

14 Which of the following is a manmade disaster?

15 A nuclear disaster typically involves the release of harmful:

16 The 1984 Bhopal Gas Tragedy is an example of a:

17 Which of the following best represents a biological disaster?

18 Which of the following is classified as a transport accident?

19 In India, the apex body for disaster management is the:

20 One important role of the media during a disaster is to:

21 A region experiences a sudden event caused entirely by geophysical forces, with no human trigger involved. Which classification best fits this event?

22 A river basin receives extremely heavy rainfall over a short period, exceeding the soil's infiltration capacity. Which type of flood is most likely to occur?

23 An earthquake measured on the Richter scale releases how many times more energy than one measuring , given that each unit increase corresponds to about times more energy?

24 A coastal town is warned about an approaching cyclone. The most immediate life-threatening hazard causing coastal flooding is best described as which of the following?

25 A hilly area sees increased landslides after deforestation. Which factor most directly explains this increase?

26 Which volcanic hazard consists of a fast-moving flow of hot gas, ash, and volcanic matter that is often the deadliest during an eruption?

27 A slope covered with fresh snow over an older icy layer suddenly gives way as one large slab. This event is best classified as which type of avalanche?

28 During a nuclear accident, potassium iodide tablets are distributed to nearby residents. What is the primary purpose of this measure?

29 The Bhopal gas tragedy of 1984 was caused by the leak of which toxic gas from a pesticide plant?

30 A rapidly spreading infectious disease crosses multiple countries and continents affecting large populations. This situation is most accurately termed which of the following?

31 Which strategy would most effectively reduce the frequency of road transport accidents at a hazardous highway junction?

32 Under India's Disaster Management Act, 2005, which body is the apex authority responsible for laying down policies and guidelines for disaster management?

33 Which specialized force is primarily deployed for on-ground search and rescue operations during major disasters in India?

34 In the aftermath of a disaster, NGOs are especially valued for which of the following contributions?

35 During a disaster, which role of the media most directly helps save lives before the event's peak impact?

36 A prolonged deficiency of rainfall leading to shortage of water for agriculture and drinking is best classified as which type of disaster?

37 Which of the following is best categorized as an air-related (atmospheric) disaster?

38 Which set of events belongs entirely to the category of earth-related (geological) disasters?

39 Which of the following is the clearest example of a manmade (anthropogenic) disaster?

40 Why are community-based organizations often the most effective first responders in the immediate minutes after a disaster?

41 An earthquake of magnitude 7.0 releases how many times more energy than one of magnitude 5.0 on the Richter scale, given that energy scales as ?

42 Tropical cyclones do not typically form within about of the equator primarily because:

43 A reservoir with capacity receives inflow at during a flood while releasing . If it starts full, approximately how long until it overflows?

44 Which factor most directly explains why a rhyolitic magma tends to produce explosive eruptions compared with basaltic magma?

45 A radioactive isotope released in a nuclear accident has a half-life of days. What fraction of the original activity remains after days?

46 Under India's Disaster Management Act 2005, which statement correctly describes the institutional hierarchy?

47 The 1984 Bhopal gas tragedy involved the release of methyl isocyanate (MIC). Which chemical property made the disaster particularly lethal on that night?

48 On a slope, the Factor of Safety against sliding is defined as . Heavy rainfall reduces slope stability mainly because it:

49 In an epidemic, the basic reproduction number is . What minimum proportion of the population must be immune to achieve herd immunity, using ?

50 Which combination of conditions most increases the risk of a slab avalanche?

51 During a temperature inversion, air pollution episodes worsen primarily because:

52 Seismologists locate an earthquake epicentre using P- and S-wave arrival times because:

53 Which best describes a documented negative role that media can play during disaster response?

54 A hazardous-material tanker carrying a flammable liquid overturns. According to hazard management principles, the first priority in the response is to:

55 Compared with governmental agencies, NGOs are often more effective in the immediate post-disaster phase mainly because:

56 A tsunami wave travels in the deep ocean where water depth is . Using with , its approximate speed is:

57 Which feature most clearly distinguishes a manmade (anthropogenic) disaster from a natural disaster?

58 Community-based organizations (CBOs) are considered critical in the "golden hour" of disaster response chiefly because:

59 In India's disaster response structure, the National Disaster Response Force (NDRF) primarily functions as:

60 Liquefaction during an earthquake is most likely to occur in: