Q1 : Discuss the role of NGO’s, government and public in management of disasters.
Ans :
NGOs (Non-Governmental Organizations), governments, and the public play important roles in the management of disasters. Let’s discuss the role of each:
1) NGOs:
- NGOs often work alongside governments and provide vital support in disaster management.
- They contribute by providing immediate humanitarian aid, such as food, shelter, medical assistance, and emergency relief supplies to affected areas.
- NGOs play a crucial role in coordinating and delivering emergency services, mobilizing volunteers, and conducting rescue and relief operations.
- They also focus on long-term recovery and rehabilitation efforts, including rebuilding infrastructure, providing livelihood support, and addressing the needs of vulnerable populations.
- NGOs often bring specialized expertise, experience, and flexibility in responding to disasters swiftly and effectively.
2) Government:
- Governments have a central role in disaster management, as they are responsible for overall coordination, planning, and implementation of disaster response and recovery measures.
- Governments establish disaster management agencies and frameworks, develop policies, and allocate resources to mitigate, prepare for, and respond to disasters.
- They provide early warning systems, emergency services, and public infrastructure to enhance resilience and minimize the impact of disasters.
- Governments also lead efforts in disaster risk reduction, including land-use planning, building codes, and public education campaigns to increase awareness and preparedness.
- They work closely with NGOs, international organizations, and other stakeholders to ensure an effective and coordinated response during emergencies.
3) Public:
- The public, including individuals, communities, and local organizations, plays a critical role in disaster management.
- Public awareness, preparedness, and participation are essential in minimizing the impact of disasters and promoting resilience.
- Individuals and communities should be educated about disaster risks, emergency procedures, and the importance of early warning systems.
- The public can contribute by taking preventive measures, such as securing their homes, creating emergency kits, and developing evacuation plans.
- During disasters, the public can assist in search and rescue operations, provide support to affected individuals, and collaborate with authorities and NGOs in relief efforts.
- Active engagement and cooperation of the public contribute to effective disaster management and foster community resilience.
Q2 : What should be the roles and responsibility of the government towards disasters?
Ans :
- Disaster Risk Assessment: The government is responsible for assessing the risks and vulnerabilities of the country to different types of disasters. This involves analyzing the potential hazards and their impact on the population, infrastructure, and environment.
- Disaster Planning: The government is responsible for developing and implementing disaster management plans that outline the procedures and actions to be taken in the event of a disaster. This includes establishing early warning systems, evacuation plans, and emergency response protocols.
- Disaster Response: The government is responsible for coordinating and mobilizing resources to respond to disasters, including search and rescue operations, medical care, and relief distribution.
- Disaster Recovery: The government is responsible for supporting the recovery of affected communities after a disaster, including providing temporary housing, repairing infrastructure, and restoring essential services.
- Disaster Risk Reduction: The government is responsible for implementing measures to reduce the risk of disasters, such as building codes, land-use policies, and public education campaigns.
- International Cooperation: The government is responsible for collaborating with other countries and international organizations to share information and resources to prepare for and respond to disasters.
- Budgeting and Financing: The government is responsible for allocating sufficient resources and funding for disaster risk reduction, preparedness, response, and recovery.
Q3 : Explain post disaster environmental response related to water, sanitation and food safety.
Ans :
Post-disaster environmental response related to water, sanitation, and food safety :
Water :
- Checking Water Sources: Making sure that the existing water sources like wells, taps, and reservoirs are safe and working properly for people to use.
- Providing Emergency Water: Supplying clean drinking water through bottled water, water trucks, or treatment facilities.
- Making Water Safe: Treating the water to remove any contaminants and ensure it is safe to drink.
- Checking Water Quality: Regularly testing the water to ensure it is clean and doesn’t have any harmful substances.
Sanitation :
- Emergency Toilets: Setting up temporary toilets or latrines to meet the sanitation needs of affected communities.
- Managing Waste: Putting systems in place to manage waste properly and prevent the spread of diseases.
- Promoting Hygiene: Educating people about good hygiene practices, such as washing hands and disposing of waste correctly.
Food Safety :
- Checking Food Quality: Inspecting and testing food supplies to make sure they are safe and suitable for eating.
- Safe Food Handling: Training food handlers and volunteers on how to handle food safely, including storage, preparation, and serving, to prevent foodborne illnesses.
- Distributing Food Safely: Ensuring that food aid is distributed fairly and following food safety guidelines.
- Monitoring and Surveillance: Regularly checking and monitoring food safety measures to address any issues and ensure ongoing safety.
Q4 : Write a note on structural and non-structural mitigation measures.
Ans :
Structural Mitigation Measures :
- Strengthening buildings and structures to withstand hazards.
- Building walls, barriers, and dams to control floods.
- Constructing walls or barriers along coasts to protect against tsunamis.
- Developing systems to manage stormwater and prevent flooding.
- Creating clear areas around buildings to prevent the spread of fires.
Non-Structural Mitigation Measures :
- Planning where and how buildings are constructed to avoid high-risk areas.
- Setting up systems to warn people about approaching hazards.
- Educating the public about hazards and how to respond to them.
- Encouraging people to get insurance and offering incentives for hazard-resistant measures.
- Protecting and restoring natural areas like wetlands and forests that help reduce risks.
Both structural and non-structural measures are important for reducing the impact of hazards and making communities more resilient.
Q5 : Enumerate the activities carried out by NDMA as a part of disaster risk reduction programmes.
Ans :
Activities carried out by the National Disaster Management Authority (NDMA) as part of disaster risk reduction programs include:
- Assessing Risks: Identifying areas prone to disasters and understanding their vulnerabilities.
- Creating Guidelines: Developing clear guidelines and standards for managing and reducing risks.
- Training and Capacity Building: Providing training to government agencies, communities, and responders to enhance their skills in preparing for and responding to disasters.
- Early Warning Systems: Establishing systems to give timely warnings and information to communities in danger.
- Public Awareness: Conducting campaigns to educate people about the risks they face and how to protect themselves.
- Engaging Communities: Involving local communities in decision-making and empowering them to take action to reduce risks.
- Building Resilient Infrastructure: Promoting the construction of buildings and infrastructure that can withstand disasters.
- Integrating Risk Reduction: Incorporating risk reduction into national policies, plans, and programs to ensure a coordinated and comprehensive approach.
- Sharing Knowledge: Collecting and sharing information on best practices, research, and lessons learned to improve disaster risk reduction efforts.
- Collaborating Internationally: Working with other countries and organizations to exchange knowledge, resources, and experiences in disaster risk reduction.
Q6 : Discuss the disaster management cycle with the help of a neat sketch.
Ans :

The disaster management cycle is a continuous process that involves various phases in managing and responding to disasters. These phases include:
- Prevention and Mitigation : This phase focuses on activities aimed at reducing or preventing the impact of disasters. It involves measures such as risk assessments, implementing building codes, land-use planning, public awareness campaigns, and implementing structural and non-structural mitigation measures.
- Preparedness : This phase involves planning and organizing resources, systems, and procedures in advance to effectively respond to disasters. It includes developing emergency response plans, conducting drills and exercises, establishing early warning systems, training emergency responders, and stockpiling necessary supplies.
- Response : The response phase occurs during and immediately after a disaster. It involves mobilizing emergency services, conducting search and rescue operations, providing medical assistance, evacuating affected populations, setting up emergency shelters, and ensuring the availability of food, water, and other essential supplies.
- Recovery : The recovery phase begins after the immediate response efforts. It focuses on restoring and rebuilding affected communities, infrastructure, and services. This phase includes debris removal, infrastructure repair, providing temporary housing, supporting livelihoods, offering psychosocial support, and facilitating the return of displaced populations.
- Reconstruction : The reconstruction phase involves the long-term process of rebuilding and improving the affected areas to enhance resilience against future disasters. It includes rebuilding infrastructure, implementing sustainable and resilient practices, incorporating lessons learned from the disaster, and strengthening disaster risk reduction measures.
It’s important to note that the disaster management cycle is iterative, as each phase informs and prepares for the next. Lessons learned from previous disasters are integrated into future planning and preparedness efforts, making the cycle a continuous and evolving process.
Q7 : Explain the DM cycle for a case study of a disaster.
Ans :
Disaster Management (DM) cycle using a case study of an earthquake:
Mitigation : This phase focuses on reducing the risks and impacts of earthquakes before they happen. It includes :
- Making sure buildings are constructed to withstand earthquakes.
- Mapping areas prone to earthquakes and taking precautions.
- Teaching people about earthquake safety and potential dangers.
Preparedness : This phase involves getting ready for an earthquake in advance. Some preparedness measures include :
- Creating plans and practicing what to do during an earthquake.
- Having emergency supplies like food, water, and first aid kits on hand.
- Doing earthquake drills to know how to stay safe.
Response : This phase involves taking immediate action during and after an earthquake. Response activities include :
- Sending rescue teams to help people trapped or injured.
- Setting up temporary shelters and providing basic needs like food and water.
- Working together with different groups to coordinate the response efforts.
Recovery : This phase focuses on rebuilding and recovering after an earthquake. Recovery measures include :
- Assessing the damage and figuring out what needs to be fixed.
- Providing temporary housing and restoring basic services like electricity and water.
- Helping people get back on their feet by supporting their jobs and providing assistance.
Q8 : Elaborate initiatives taken by the government of India for disaster mitigation.
Ans :
Initiatives taken by the Government of India for disaster mitigation :
- National Disaster Management Authority (NDMA): The NDMA is an important organization that was created in 2005. It makes plans and guidelines to handle disasters and coordinates the response at the national level.
- National Disaster Response Force (NDRF): The NDRF is a special force that helps during disasters. They have trained people who know how to rescue and provide medical help during emergencies.
- National Policy on Disaster Management (NPDM): The government has a policy called NPDM, which helps in managing disasters. It guides the government on how to plan and respond to disasters effectively.
These initiatives are important as they help the government and people in handling disasters better and reducing their impact.
Q9 : Discuss the applications of science and technology in development regulations and disaster safe design of buildings in context of preparation for disasters.
Ans :
Applications of Science and Technology in the Post-Disaster Stage :
- Damage Assessment using remote sensing and satellite imagery.
- Emergency Communication through mobile technologies and internet connectivity.
- Search and Rescue Operations with robotic systems and drones.
- Medical Support using telemedicine and mobile medical units.
- Shelter and Infrastructure Planning through GIS and modeling tools.
- Water and Sanitation Management with water purification technologies.
- Hazard Monitoring using sensors and early warning systems.
- Damage Repair and Reconstruction using 3D printing and advanced construction materials.
- Energy and Power Restoration through mobile power generators and renewable energy systems.
- Data Management and Analysis with big data analytics and artificial intelligence.
These applications, driven by science and technology, play a vital role in post-disaster recovery efforts, aiding in assessment, communication, rescue, healthcare, infrastructure planning, resource management, and data-driven decision-making.
Q10 : Describe the use of RS and GIS for prevention and risk mapping of disasters.
Ans : NOTE : This answer is detailed, you can write any 10 out it.
RS (Remote Sensing) and GIS (Geographic Information System) play crucial roles in the prevention and risk mapping of disasters. Here’s a concise point-wise description:
- Data Collection: RS enables the collection of data from a distance using sensors, satellites, and aerial platforms, providing a comprehensive view of the Earth’s surface.
- Spatial Analysis: GIS allows the integration and analysis of various spatial data layers, such as topography, land cover, and population density, aiding in understanding disaster-prone areas.
- Disaster Risk Assessment: RS and GIS assist in identifying vulnerable regions and assessing the likelihood and impact of potential disasters.
- Early Warning Systems: By monitoring environmental parameters, RS helps in detecting precursors and warning signs of disasters, enabling timely response and evacuation measures.
- Hazard Mapping: GIS facilitates the creation of maps highlighting areas susceptible to specific hazards like floods, landslides, or earthquakes, assisting in land-use planning and infrastructure development.
- Damage Assessment: After a disaster, RS provides high-resolution satellite imagery for damage assessment, aiding in resource allocation and prioritization of relief efforts.
- Monitoring Environmental Changes: RS monitors changes in land cover, vegetation, and water resources, helping in understanding long-term trends and identifying areas prone to natural disasters.
- Climate Change Impact Analysis: RS and GIS support the assessment of climate change impacts on vulnerability, enabling proactive measures to mitigate potential risks.
- Infrastructure Planning: By integrating RS and GIS data, planners can identify suitable locations for critical infrastructure, considering the risk factors associated with disasters.
- Community Awareness: RS and GIS enable the creation of interactive maps and visualizations that enhance public understanding of disaster risks, promoting community engagement and preparedness.
- Emergency Response Planning: GIS aids emergency responders in developing evacuation plans, identifying escape routes, and allocating resources efficiently during disaster events.
- Resource Management: RS and GIS help in monitoring and managing resources like water, forests, and agricultural land, reducing the vulnerability of these resources to disasters.
- Risk Communication: RS and GIS provide effective tools for communicating disaster risks to policymakers, stakeholders, and the public, facilitating informed decision-making.
- Cross-Border Cooperation: RS and GIS foster collaboration between nations by enabling the sharing of data and knowledge to address transboundary disaster risks.
- Recovery and Reconstruction: RS supports post-disaster recovery efforts by providing baseline data, monitoring progress, and assessing the success of reconstruction activities.
- Policy Development: RS and GIS data serve as valuable inputs for formulating policies related to disaster risk reduction, land-use planning, and infrastructure development.
- Training and Capacity Building: RS and GIS technologies facilitate training programs and capacity building initiatives, enhancing the skills of professionals in disaster management.
- Environmental Impact Assessment: RS and GIS assist in assessing potential environmental impacts of development projects, minimizing the risk of exacerbating disasters.
- Research and Innovation: RS and GIS contribute to ongoing research and innovation in disaster management, enabling the development of advanced tools and methodologies.
- International Collaboration: RS and GIS platforms foster international collaboration and knowledge exchange, leading to improved global resilience against disasters.
Q11 : Describe the applications of science and technology in the post disaster stage.
Ans : Applications of Science and Technology in the Post-Disaster Stage:
- Damage Assessment using remote sensing and satellite imagery.
- Emergency Communication through mobile technologies and internet connectivity.
- Search and Rescue Operations with robotic systems and drones.
- Medical Support using telemedicine and mobile medical units.
- Shelter and Infrastructure Planning through GIS and modeling tools.
- Water and Sanitation Management with water purification technologies.
- Hazard Monitoring using sensors and early warning systems.
- Damage Repair and Reconstruction using 3D printing and advanced construction materials.
- Energy and Power Restoration through mobile power generators and renewable energy systems.
- Data Management and Analysis with big data analytics and artificial intelligence.
Q12 : What do you mean by an early warning system? Where is this system necessary and used frequently?
Ans :
An early warning system (EWS) is a set of tools, processes, and communication channels designed to detect and provide timely information about impending hazards or potential emergencies. It aims to alert individuals, communities, and organizations at risk, allowing them to take proactive measures and actions to reduce the potential impact of the impending event. The primary purpose of an early warning system is to save lives, minimize injuries, and reduce damage to infrastructure and property.
Early warning systems are necessary and used frequently in areas prone to various hazards, including:
- Natural Disasters : Early warning systems are crucial for mitigating the impact of natural disasters such as earthquakes, tsunamis, hurricanes, floods, landslides, and wildfires. These systems provide timely alerts to vulnerable communities, giving them precious time to evacuate or seek appropriate shelter.
- Severe Weather Events : Early warning systems are used to predict and communicate severe weather conditions like hurricanes, tornadoes, cyclones, blizzards, and heavy rainfall. These alerts help people prepare for the adverse weather and take necessary precautions to protect themselves and their property.
- Geological Hazards : Early warning systems are employed for detecting and warning against geological hazards, including volcanic eruptions, avalanches, and rockslides. These systems monitor changes in geological activity and issue alerts to at-risk populations.
- Industrial Accidents : Early warning systems are implemented in areas where there is a risk of industrial accidents such as chemical spills, explosions, or nuclear incidents. These systems provide swift notifications to nearby communities, enabling them to take immediate protective actions.
- Health Emergencies : Early warning systems play a critical role in detecting and responding to health emergencies, including disease outbreaks, pandemics, or biological hazards. They facilitate the rapid dissemination of vital health information and recommendations to prevent the spread of diseases and ensure timely medical interventions.
Q13 : With an aid of case study, explain the importance of using technology for reducing the size of disasters.
Ans :
Case study of flood management to explain the importance of using technology for reducing the size of disasters:
In flood management, technology plays a crucial role in reducing the size and impact of disasters like floods. Here’s why technology is important:
- Early Warning Systems : Technology helps in the development and implementation of early warning systems. These systems use sensors, satellite data, and weather forecasting to detect and predict floods in advance. When a flood is predicted, warnings can be issued to communities at risk, allowing them to evacuate to safer areas and take necessary precautions.
- Remote Sensing and GIS : Remote sensing technology, such as satellite imagery, and Geographic Information Systems (GIS) help in mapping and monitoring flood-prone areas. By analyzing data, authorities can identify vulnerable locations, assess the extent of flooding, and plan evacuation routes and emergency responses more effectively.
- Communication and Information Dissemination : Technology facilitates rapid communication and information dissemination during floods. Mobile phones, social media platforms, and emergency apps enable authorities to quickly reach out to affected communities, providing instructions, updates, and emergency contact details. This helps in improving response coordination and ensuring that affected individuals receive timely assistance.
- Flood Modeling and Simulation : Advanced computer-based models and simulations allow experts to predict and simulate the behavior of floods. By analyzing flood scenarios and their potential impact on infrastructure and communities, authorities can develop effective flood management strategies, design flood-resistant infrastructure, and plan evacuation routes accordingly.
- Remote Monitoring and Drones : Technologies like remote monitoring and drones enable real-time monitoring of flood situations. Sensors and drones can be used to gather data on water levels, flow rates, and structural integrity of flood control measures like dams and levees. This data helps in making informed decisions, initiating preventive measures, and directing resources to areas that need immediate attention.