1Which of the following describes a 'hazard' in the context of environmental studies?
A.The aftermath of a storm
B.The reconstruction phase
C.A sudden calamitous event
D.A potential threat to humans and their welfare
Correct Answer: A potential threat to humans and their welfare
Explanation:
A hazard is a dangerous phenomenon, substance, human activity, or condition that may cause loss of life, injury, or other health impacts, property damage, loss of livelihoods and services, social and economic disruption, or environmental damage.
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2What is the primary cause of a 'meteorological drought'?
A.Over-utilization of groundwater
B.Excessive soil erosion
C.Prolonged period of inadequate rainfall
D.Construction of dams
Correct Answer: Prolonged period of inadequate rainfall
Explanation:
Meteorological drought is defined usually on the basis of the degree of dryness (in comparison to some 'normal' or average amount) and the duration of the dry period.
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3Which of the following is considered a water-related natural disaster?
A.Earthquake
B.Nuclear Explosion
C.Flood
D.Volcanic Eruption
Correct Answer: Flood
Explanation:
Floods are overflows of water that submerge land that is usually dry, categorizing them as water-related natural disasters.
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4The intense low-pressure system with a rotating column of air over tropical oceans is known as:
A.Tsunami
B.Cyclone
C.Blizzard
D.Landslide
Correct Answer: Cyclone
Explanation:
Cyclones (also known as hurricanes or typhoons depending on the region) are air-related disasters characterized by low atmospheric pressure, strong winds, and heavy rain.
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5Which scale is used to measure the magnitude of an earthquake?
A.Fujita Scale
B.Richter Scale
C.Beaufort Scale
D.Saffir-Simpson Scale
Correct Answer: Richter Scale
Explanation:
The Richter scale is a numerical scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations.
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6What is the point on the Earth's surface directly above the focus of an earthquake called?
A.Crust
B.Hypocenter
C.Fault line
D.Epicenter
Correct Answer: Epicenter
Explanation:
The epicenter is the point on the earth's surface vertically above the focus (or hypocenter), where the earthquake originates.
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7Which human activity is a major contributor to landslides?
A.Deforestation
B.Crop rotation
C.Fishing
D.Afforestation
Correct Answer: Deforestation
Explanation:
Deforestation removes the roots that hold soil together, making the land unstable and significantly increasing the risk of landslides.
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8A Tsunami is primarily generated by:
A.Gravitational pull of the moon
B.High winds
C.Undersea earthquakes
D.Heavy rainfall
Correct Answer: Undersea earthquakes
Explanation:
Tsunamis are series of huge waves created when a large volume of ocean water is displaced, most commonly by an undersea earthquake.
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9The molten rock material inside the earth is known as:
A.Magma
B.Vent
C.Crater
D.Lava
Correct Answer: Magma
Explanation:
Molten rock beneath the Earth's surface is called magma. Once it erupts onto the surface, it is called lava.
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10Which of the following is an example of a biological disaster?
A.Train collision
B.Oil spill
C.Locust attack
D.Nuclear leak
Correct Answer: Locust attack
Explanation:
A locust attack is a biological disaster caused by the uncontrolled spread of pests that destroy crops and vegetation.
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11The Bhopal Gas Tragedy (1984) is an example of which type of disaster?
A.Biological Disaster
B.Natural Disaster
C.Nuclear Disaster
D.Chemical Disaster
Correct Answer: Chemical Disaster
Explanation:
The Bhopal Gas Tragedy was a chemical accident at the Union Carbide India Limited pesticide plant where methyl isocyanate gas leaked.
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12Which gas was responsible for the Bhopal Gas Tragedy?
A.Chlorine
B.Carbon Monoxide
C.Methyl Isocyanate (MIC)
D.Sulfur Dioxide
Correct Answer: Methyl Isocyanate (MIC)
Explanation:
Methyl Isocyanate (MIC) was the extremely toxic gas that leaked from the storage tank in Bhopal.
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13The Chernobyl disaster is associated with:
A.Chemical leak
B.Dam failure
C.Nuclear reactor explosion
D.Forest fire
Correct Answer: Nuclear reactor explosion
Explanation:
The Chernobyl disaster (1986) was a catastrophic nuclear accident that occurred at the Chernobyl Nuclear Power Plant in Ukraine.
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14What is the term for the rapid flow of snow down a sloping surface?
A.Landslide
B.Avalanche
C.Glacier
D.Blizzard
Correct Answer: Avalanche
Explanation:
An avalanche is a rapid flow of snow down a hill or mountainside.
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15Which disaster is characterized by a lack of precipitation over an extended period?
A.Drought
B.Flood
C.Cyclone
D.Tsunami
Correct Answer: Drought
Explanation:
Drought is a prolonged dry period in the natural climate cycle that can occur anywhere in the world.
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16Minamata disease was caused by contamination of water with:
A.Mercury
B.Cadmium
C.Arsenic
D.Lead
Correct Answer: Mercury
Explanation:
Minamata disease is a neurological syndrome caused by severe mercury poisoning, first discovered in Minamata city, Japan.
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17The Saffir-Simpson scale is used to measure the intensity of:
A.Earthquakes
B.Floods
C.Hurricanes/Cyclones
D.Tornadoes
Correct Answer: Hurricanes/Cyclones
Explanation:
The Saffir-Simpson Hurricane Wind Scale is a 1 to 5 rating based on a hurricane's sustained wind speed.
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18Which of the following is a manmade disaster involving transportation?
A.Air crash
B.Epidemic
C.Volcanic eruption
D.Solar flare
Correct Answer: Air crash
Explanation:
An air crash is a transport accident resulting from human error or mechanical failure, categorizing it as a manmade disaster.
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19What represents the 'mitigation' phase in the disaster management cycle?
A.Rescuing survivors
B.Rebuilding houses
C.Measures to reduce the impact of future disasters
D.Providing food aid
Correct Answer: Measures to reduce the impact of future disasters
Explanation:
Mitigation involves structural and non-structural measures undertaken to limit the adverse impact of natural hazards, environmental degradation, and technological hazards.
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20In India, what does NDMA stand for?
A.Natural Disaster Monitoring Area
B.New Delhi Management Association
C.National Disaster Management Authority
D.National Drought Mitigation Agency
Correct Answer: National Disaster Management Authority
Explanation:
NDMA (National Disaster Management Authority) is the apex body for disaster management in India.
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21Who heads the National Disaster Management Authority (NDMA) in India?
A.The Home Minister
B.The Prime Minister
C.The Environment Minister
D.The President
Correct Answer: The Prime Minister
Explanation:
The Prime Minister of India is the ex-officio Chairperson of the NDMA.
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22Which Act provides the legal framework for disaster management in India?
A.Disaster Management Act, 2005
B.Wildlife Protection Act, 1972
C.Environment Protection Act, 1986
D.Air Prevention Act, 1981
Correct Answer: Disaster Management Act, 2005
Explanation:
The Disaster Management Act, 2005, provides the institutional mechanism for drawing up and monitoring the implementation of disaster management plans.
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23What is the primary role of the National Disaster Response Force (NDRF)?
A.Distributing funds
B.Specialized response during disasters
C.Making policies
D.Constructing dams
Correct Answer: Specialized response during disasters
Explanation:
NDRF is a specialized force constituted for the purpose of specialist response to a threatening disaster situation or disaster.
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24Which of the following is a role of NGOs in disaster management?
A.Mobilizing community support and resources
B.Commanding the army
C.Passing legislation
D.Declaring a national emergency
Correct Answer: Mobilizing community support and resources
Explanation:
NGOs often work at the grassroots level to mobilize community support, provide relief, and bridge the gap between government and citizens.
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25What is 'Community-Based Disaster Management' (CBDM)?
A.Involving local communities in planning and response
B.Top-down approach only
C.Excluding locals from rescue operations
D.Management by foreign agencies
Correct Answer: Involving local communities in planning and response
Explanation:
CBDM is an approach that promotes the involvement of the community in disaster management activities, recognizing that locals are the first responders.
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26Who are considered the 'First Responders' in any disaster?
A.The Police
B.The Local Community
C.International Aid Agencies
D.The Army
Correct Answer: The Local Community
Explanation:
Before official help arrives, the local community members are the ones present on-site to initiate rescue and relief.
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27What role does the media play in disaster management?
A.Blocking communication
B.Ignoring the event
C.Spreading panic
D.Disseminating early warnings and information
Correct Answer: Disseminating early warnings and information
Explanation:
The media plays a crucial role in disseminating warnings, educating the public, and communicating the needs of the affected areas to the world.
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28The 'Golden Hour' in disaster management refers to:
A.The first hour after a disaster when lives can be saved
B.The time taken to rebuild
C.The lunch break for rescue workers
D.The time before a disaster strikes
Correct Answer: The first hour after a disaster when lives can be saved
Explanation:
The Golden Hour refers to the immediate time period following a traumatic injury (or disaster) during which there is the highest likelihood that prompt medical treatment will prevent death.
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29Which of the following is a non-structural mitigation measure for floods?
A.Building sea walls
B.Floodplain zoning
C.Constructing levees
D.Building a dam
Correct Answer: Floodplain zoning
Explanation:
Floodplain zoning regulates land use in flood-prone areas to minimize damage, which is a planning/non-structural measure compared to building physical barriers.
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30A 'Storm Surge' is best defined as:
A.Heavy rain in the mountains
B.A type of electrical storm
C.Abnormal rise of sea level due to a cyclone
D.A sudden thunderstorm
Correct Answer: Abnormal rise of sea level due to a cyclone
Explanation:
A storm surge is an abnormal rise of water generated by a storm, over and above the predicted astronomical tides.
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31Which type of disaster is 'COVID-19' classified as?
A.Nuclear Disaster
B.Chemical Disaster
C.Biological Disaster
D.Transport Disaster
Correct Answer: Biological Disaster
Explanation:
COVID-19 was a pandemic caused by a virus (biological agent), classifying it as a biological disaster.
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32What causes an 'oil spill'?
A.Volcanic activity underwater
B.Accidents involving tankers or pipelines
C.Algal bloom
D.Excessive rain
Correct Answer: Accidents involving tankers or pipelines
Explanation:
Oil spills are usually manmade disasters caused by accidents involving tankers, barges, pipelines, refineries, or storage facilities.
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33Which instrument is typically used by amateur radio operators to communicate during disasters when other networks fail?
A.Ham Radio
B.Internet
C.FM Radio
D.Television
Correct Answer: Ham Radio
Explanation:
Ham Radio (Amateur Radio) is resilient and often used for emergency communication when standard cellular and landline networks fail.
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34Which agency in India is responsible for weather forecasting and cyclone warnings?
The IMD is the principal agency responsible for meteorological observations, weather forecasting, and seismology.
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35What is 'Retrofitting' in the context of earthquakes?
A.Moving to a new city
B.Strengthening existing structures to resist earthquakes
C.Building new houses
D.Demolishing old buildings
Correct Answer: Strengthening existing structures to resist earthquakes
Explanation:
Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity.
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36Which of the following is a secondary hazard of earthquakes?
A.Drought
B.Liquefaction
C.Ground shaking
D.Wind storms
Correct Answer: Liquefaction
Explanation:
Liquefaction is a phenomenon where saturated soil substantially loses strength and stiffness in response to earthquake shaking, acting like a liquid.
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37The zone on the earth's surface where two tectonic plates meet is called:
A.Plate boundary
B.Core
C.Equator
D.Mantle
Correct Answer: Plate boundary
Explanation:
Plate boundaries are the edges where two plates meet. Most earthquakes and volcanic eruptions occur along these boundaries.
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38Which disaster is known as a 'slow-onset' disaster?
A.Drought
B.Cloud burst
C.Flash Flood
D.Earthquake
Correct Answer: Drought
Explanation:
Droughts develop slowly over months or years, unlike rapid-onset disasters like earthquakes or flash floods.
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39In the context of nuclear disasters, what is 'radioactive fallout'?
A.The electricity generated
B.The collapse of the building
C.Residual radioactive material propelled into the air
D.The water used to cool the reactor
Correct Answer: Residual radioactive material propelled into the air
Explanation:
Fallout is the residual radioactive material propelled into the upper atmosphere following a nuclear explosion or accident, which 'falls out' of the sky.
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40What is the primary objective of a 'Mock Drill'?
A.To generate media publicity
B.To scare the public
C.To test the preparedness and response mechanisms
D.To waste time
Correct Answer: To test the preparedness and response mechanisms
Explanation:
Mock drills are practice sessions used to evaluate the effectiveness of disaster plans and train people on how to respond.
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41Which of the following creates a 'Heat Wave'?
A.Low pressure system
B.Heavy rainfall
C.Rapid cooling of land
D.High pressure system and trapped warm air
Correct Answer: High pressure system and trapped warm air
Explanation:
Heat waves are often caused by high-pressure systems that force air downward, preventing it from rising and cooling, trapping heat near the ground.
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42What is the full form of NIDM?
A.Natural Institute for Drought Management
B.New India Disaster Mission
C.National Investigation of Disaster Management
D.National Institute of Disaster Management
Correct Answer: National Institute of Disaster Management
Explanation:
NIDM is a premier institute for training and capacity development for managing natural disasters in India.
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43Fukushima Daiichi nuclear disaster (2011) was triggered by:
A.A volcanic eruption
B.Human error only
C.An earthquake followed by a Tsunami
D.A terrorist attack
Correct Answer: An earthquake followed by a Tsunami
Explanation:
The accident was triggered by the Tōhoku earthquake and the subsequent tsunami that disabled the power supply and cooling of the reactors.
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44Bio-terrorism involves the intentional release of:
A.Viruses, bacteria, or other germs
B.Nuclear waste
C.Chemical gases
D.Computer viruses
Correct Answer: Viruses, bacteria, or other germs
Explanation:
Bioterrorism is the intentional release of biological agents (bacteria, viruses, toxins) to cause illness or death.
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45The District Disaster Management Authority (DDMA) is usually headed by:
A.The MLA
B.The District Magistrate/Collector
C.The Chief Minister
D.The Police Commissioner
Correct Answer: The District Magistrate/Collector
Explanation:
At the district level, the District Magistrate (or District Collector/Deputy Commissioner) heads the DDMA.
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46Which gas prevents the earth from freezing but contributes to global warming and climate change related disasters?
A.Argon
B.Greenhouse gases (like CO2)
C.Nitrogen
D.Oxygen
Correct Answer: Greenhouse gases (like CO2)
Explanation:
Greenhouse gases trap heat. While essential for life, excess amounts lead to global warming, increasing the frequency of climate disasters.
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47What is 'Flash Flood'?
A.A flood that happens once a year
B.A slow rise in river water
C.Flooding caused by melting glaciers only
D.A rapid flooding of low-lying areas in less than 6 hours
Correct Answer: A rapid flooding of low-lying areas in less than 6 hours
Explanation:
Flash floods are distinguished by their rapid onset, usually within six hours of heavy rain or a dam break.
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48Which technology is most useful for mapping disaster-prone areas?
A.ATM
B.Calculator
C.GIS (Geographic Information System)
D.MRI
Correct Answer: GIS (Geographic Information System)
Explanation:
GIS is used to analyze spatial data, creating maps that identify hazard zones and assist in planning.
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49The 'Eye' of a cyclone is characterized by:
A.Strongest winds
B.Calm and clear weather
C.Heavy lightning
D.Hailstorms
Correct Answer: Calm and clear weather
Explanation:
The eye is a region of mostly calm weather at the center of strong tropical cyclones.
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50El Niño is a climate pattern that describes the unusual warming of surface waters in which ocean?
A.Indian Ocean
B.Atlantic Ocean
C.Eastern Tropical Pacific Ocean
D.Arctic Ocean
Correct Answer: Eastern Tropical Pacific Ocean
Explanation:
El Niño is the warm phase of the ENSO cycle, occurring in the central and eastern tropical Pacific Ocean, often causing droughts or floods globally.