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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Write Short Notedisaster and Its Management. - Science and Technology 2

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प्रश्न

Write short note

Disaster and its management.

उत्तर

Any natural or man made event which has a negative impact on life, property and livelihood and causes permanent changes to environment, ecosystem and human society is termed as a disaster. 
Natural disasters: Any adverse event which occurs as a result of natural processes of earth is called natural disaster for example: cyclones, earthquakes, storms, tsunami, etc.
Man made disasters: Unlike natural disasters, which are influenced by natural forces, man made disasters are caused due to negligence of humans. Gas leaks, oil spills, nuclear meltdown or leakage of radiation, industrial fires, transport accidents, terrorism, epidemics and biological warfare are examples of man made disasters. 

The damage caused by disasters can be reduced by making ourselves prepared in disaster management. Disaster management is the strategy and course of action to be executed at the time of any such disaster to save as much life as possible. This includes:

  • Improving tolerance
  • Preventing losses and dangers
  • Providing relief to the affected people
  • Preparing for actions to be taken at the time of disaster
  • Assessing the damage caused
  • Arrangement of rescue for the affected
  • Rehabilitation and rebuilding the affected area
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Environmental Conservation
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Environmental management - Exercises [पृष्ठ ४६]

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बालभारती Science and Technology 2 [English] 10 Standard SSC Maharashtra State Board
पाठ 4 Environmental management
Exercises | Q 3.5 | पृष्ठ ४६

संबंधित प्रश्‍न

Which projects will you run in relation to environmental conservation? How?


Write the factors affecting the environment.


Write six strategies implemented by you for conservation of environment.


Give scientific reason.

Why the human beings have important place in environment?


How can biodiversity be conserved?


Complete the following chart:


Attempts at various levels are performed for conserving environment. Which role would you like to perform. Give two actions each:

  • Prevention
  • Control
  • Production
  • Awareness
  • Conservation

Find an odd one out.


Give scientific reason.

Pollution is a very broad concept.


What is environmental pollution?


Which are types of pollution?


What is meant by conservation of environment?


Complete the following table taking into account the relation between the entries in three columns:

  Air pollution Water pollution Soil pollution
Components Gases: CO2, CO, Hydrocarbons, Sulphur, NOx, Hydrogen sulphides etc.
Solid: dust, ash, carbon, lead, asbestos, etc.
   
Source   Industrial wastes, domestic wastes, sewage, chemicals discharged
from industries, pesticides used in agriculture.
 
Effect     Soil erosion, retarded growth of plants/ crops, Nutritional deficiency etc.

Name the act under which trading of rare animals has been completely banned.


Why is there a need for conservation of the environment?


Complete the following conceptual picture:


What is air pollution?


What are the different types of air pollutants?


Give a control measure to control air pollution.


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