Geography ch 10- Vulnerable Earth (Extra questions)

        Geography ch 10- Vulnerable Earth (Extra questions)

1. When do floods occur?
Floods are said to occur when water rises above the safety level and overflows in the surrounding areas.

2. What is flood disaster?
The danger caused by the flood is known as flood disaster. In other words, heavy loss of life and property due to excess of water is known as flood disaster.

3. What are riverine floods- most of the floods in India are caused by overflowing of the rivers during the South? 

West Monsoon season June to September. These are called riverine floods.

4. What are the various reasons that lead to the occurrence of floods?
Heavy rainfall, cyclones, cloud burst, inadequate drainage system, bursting of dams, overflowing of rivers, melting of snow, etc.

5.  Which part of the country is referred as the flood prone areas?
the North- Eastern part.

6.  What are the effects of floods?
 loss of life and property, damage to crops, breakdown of communication, dislocation of transport system.

7. How does the Disaster Management Team help in flood preparedness?
They visit various parts of the country to create awareness about floods and how to deal with it? These team each people – especially women of the areas, through demonstrations on how to save lives during floods, how to build temporary houses, how and where to store food at higher level, etc.

8. What are the steps that should be taken before floods?
Keep a check on weather forecast and flood warnings through radio, TV, newspaper etc, Locate
safe shelters at higher level, also for animals in rural areas. Keep first aid box, candles, ropes, matchbox, torch, some clothes, etc handy, Keep some food in stock.

9. What are the steps that should be taken after floods?
drink boiled water, do not use crops that are wet, always keep food covered, try to disinfect the
surroundings as it can be a breeding ground for mosquitoes, be careful of snake bites in water logged areas.

10. Define drought.
drought can be defined as ‘lack of water to satisfy the normal needs of agriculture, livestock, industry or human population’.

11. Why are droughts known as ‘slow onset disasters’?
drought occurs gradually over a period of time and so it is predictable.

12. What are the various causes of drought?
Deficient rainfall, delay in onset of rainfall, timely onset of rainfall and sudden break and early withdrawal of
monsoons.

13. What are effects of droughts on the following:
Reservoirs- wells, rivers, ponds, lakes, etc, dry up. Thus availability of water is very low for survival.
Employment- India is an agriculture based country. Fall in agricultural production results in low employment opportunities for rural people. This is followed by migration of rural people to other areas in search of food and employment.
Diseases- starvation, hunger and malnutrition especially among children may lead to spread of various diseases such as dysentery, diarrhoea, etc.

14. What is the role of the DMT?
help the victims of disasters by actively taking part in rescue operations, and by providing food, shelters, medicines, first - aid, clothes, etc

15. Mention few Disaster Management Agencies.
Help Age India, American Red Cross Society, Children’s Disaster Services, the World Vision, etc.