Page 75 - ICSE GEOGRAPHY

B Fill in the blanks.
1. The magnitude of an earthquake is measured using the _________________.
2. A vent in the earth’s crust through which molten rocks, gases and steam force their way
out to the surface of the earth is known as _________________.

3. _________________ is an act of violence by humans towards other human lives.
4. _________________ occur when land, rock and debris plummet down the side of a
mountain or cliff at breakneck speeds.
5. The immediate eff ects of _________________ include death or other symptoms like
dizziness, headache and irritation.

C State whether the following statements are True or False.
1. Disaster management has two basic components—preparedness and response. _______

2. Due to disasters, animals may also be displaced from their homes. _______
3. Fires can be caused when a naked fl ame, cigarette, electric spark or any source
of ignition comes into contact with any inflammable material. _______
4. After a major natural calamity, people may suff er from PTSD. _______

5. During a fi re accident, when there is smoke in the air we must keep our heads up. _______

D Name the following.
1. Two examples of natural disasters ________________
2. Chairman of the National Committee on Disaster Management ________________

3. Process by which soft ground turns into mud due to rising
groundwater ________________
4. Any two major causes of landslides ________________
5. Powerful spinning storm that rotates around a low-pressure centre ________________

E Answer the following questions briefly.
1. What is a tsunami? How is it caused?

2. What causes fl oods?
3. What are the safety measures that can be taken in the case of earthquakes?

4. What are the impacts of natural disasters?
5. What is disaster management?

6. What measures has the government taken to promote disaster management?

F Answer the following questions in detail.

1. What is a natural disaster? Explain the various types of natural disasters that can occur
around us.

2. What are the diff erent types of man-made disasters? What are their impacts?
3. Explain the four basic components of disaster management.

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