Worksheet: Natural Hazards and Disasters | Geography Class 11 - Humanities/Arts PDF Download

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Q1: Disaster is an undesirable occurrence resulting from forces that are largely outside human control, strikes quickly with little or no warning, which causes or threatens serious disruption of life and property including death and injury to a large number of people, and requires, therefore, mobilization of efforts in excess of that which are normally provided by statutory __________ services.

Q2: Natural hazards are elements of circumstances in the natural environment that have the potential to cause harm to people or property or both. As compared to natural hazards, natural disasters are relatively sudden and cause large-scale, widespread death, loss of property and disturbance to social systems and life over which people have little or no __________.

Q3: The Yokohama Strategy and Plan of Action for a Safer World was developed during the World Conference on Natural Disaster Reduction held in the city of __________.

Q4: According to the Yokohama Strategy, each country has the sovereign responsibility to protect its __________ from natural disasters.

Q5: Earthquakes that are of tectonic origin have proved to be the most devastating, and their area of influence is also quite __________.

Q6: The Indian plate is moving at a speed of one centimeter per year towards the __________ and northeastern direction.

Q7: Tsunamis are caused when __________ occurs.

Q8: Tropical cyclones are intense low-pressure areas confined to the area lying between 30° N and 30° S latitudes, in the atmosphere around which high velocity winds __________.

Q9: Floods can also be caused due to a storm surge in the coastal areas, high-intensity rainfall for a considerably longer time period, melting of ice and snow, reduction in the infiltration rate, and presence of eroded material in the water due to a higher rate of __________.

Q10: Landslides have relatively small and localized area of direct influence, but roadblock, destruction of railway lines, and channel-blocking due to rock-falls have far-reaching __________.

Assertion and Reason Based

Q1: Assertion: Earthquakes are the most unpredictable and highly destructive of all natural disasters.
Reason: Earthquakes are primarily caused by volcanic eruptions.
(a) Both assertion and reason are true, and the reason is the correct explanation of the assertion.
(b) Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Assertion is false, but the reason is true.

Q2: Assertion: Tsunamis are less impactful over the ocean and more damaging near the coast.
Reason: Tsunamis are deep-water waves.
(a) Both assertion and reason are true, and the reason is the correct explanation of the assertion.
(b) Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Assertion is false, but the reason is true.

Q3: Assertion: Droughts can be caused by excessive rainfall.
Reason: Drought is primarily related to a shortage of water availability.
(a) Both assertion and reason are true, and the reason is the correct explanation of the assertion.
(b) Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Assertion is false, but the reason is true.

Q4: Assertion: Landslides have a relatively small and localized area of direct influence.
Reason: Landslides do not impact roadblocks, railways, or channel-blocking.
(a) Both assertion and reason are true, and the reason is the correct explanation of the assertion.
(b) Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Assertion is false, but the reason is true.

Q5: Assertion: Post-disaster operations in disaster management involve rescue and relief operations.
Reason: Post-disaster operations focus on generating data and spreading awareness about disasters.
(a) Both assertion and reason are true, and the reason is the correct explanation of the assertion.
(b) Both assertion and reason are true, but the reason is not the correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Assertion is false, but the reason is true.

Very Short Answer Type Questions

Q1: Define natural hazards.

Q2: Explain the key difference between natural hazards and natural disasters.

Q3: When and where was the Yokohama Strategy and Plan of Action for a Safer World developed?

Q4: List one of the resolutions of the World Conference on Natural Disaster Reduction.

Q5: What is the primary cause of earthquakes of tectonic origin?

Q6: Name one state that is in the "Very high damage risk zone" for earthquakes in India.

Q7: What is the primary cause of tsunamis?

Q8: What is the primary factor that energizes a tropical cyclone?

Q9: Explain the concept of meteorological drought.

Q10: Name one region in India identified as an "Extreme Drought Affected Area."

Short Answer Type Questions

Q1: Describe the Yokohama Strategy's approach to disaster reduction.

Q2: Explain the factors contributing to the vulnerability of India to earthquakes.

Q3: Discuss the characteristics and consequences of tsunamis.

Q4: What are the different types of droughts, and how do they affect regions differently?

Q5: Identify the major vulnerability zones for landslides in India.

Q6: What are the three stages involved in disaster mitigation and management?

Q7: Discuss the causes of floods and the regions in India prone to floods.

Q8: How can landslides be mitigated and managed effectively?

Long Answer Type Questions

Q1: Provide a detailed explanation of the Yokohama Strategy and its key principles for creating a safer world.

Q2: Describe the causes and socio-environmental consequences of earthquakes, with a focus on the Indian context.

Q3: Explain the factors contributing to the vulnerability of India to tropical cyclones. How can India prepare for and mitigate the impact of these cyclones?

Q4: Discuss the effects of droughts in India, the types of drought-prone areas, and strategies for drought mitigation and management.

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