Floods and Epidemic


 
 
Concept Explanation
 

Floods and Epidemic

FLOODS: In most parts of our country, it rains heavily during the monsoon months. Often there is so much water in the rivers that many of them rise above their banks and flow into the nearby land. Such a condition is known as floods. The flow of water can be very strong, damaging crops, roads and houses. The major calamities due to flood are as follows :

  • 1. Crops that get covered with water cannot grow properly. This leads to food shortage.
  • 2.Electric lines, water supply and communication networks also get affected.
  • 3. In coastal area, flooding is often caused by cyclones. A cyclone is very strong wind accompanied with very heavy rain. The  strong wind causes high waves, called tidal waves, in the sea. They cause flooding in coastal areas. In our country, states like Andhra Pradesh, Assam, Bihar, Gujarat, Maharashtra, and Orissa are especially prone to floods and cyclones.
  • Epidemic- A disease affecting thousands of people at the same time is called an epidemic. Flooding  can cause shortage of clean water . It can result can result in the spread of large number water borne diseases in living beings.

    Note : 

    Pandemic : A pandemic is basically a global epidemic or we can say that an epidemic that can spread to more than one continent.

    Sample Questions
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    Question : 1

    In drier areas, increased rainfall results in ________

    Right Option : A
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    Question : 2

    Statement (i) : In such sreas where there is no vegetation, the rain water flows quickly and has no effect on the layer of soil of that area.

    Statement (ii) : When water level rises in rivers, ponds etc. Due to excessive rains it causes floods.

    Right Option : B
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    Question : 3

    Flooding is usually caused when a volume of water within a _________such as a lake overflowins outside it.

    Right Option : D
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