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प्रश्न
What is environmental pollution?
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उत्तर १
Unnecessary and unacceptable change in the environment due to natural events or human activities is known as environmental pollution.
उत्तर २
Direct or indirect changes in physical, chemical and biological properties of air, water and soil that are harmful to humans and other living beings is called as environmental pollution.
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संबंधित प्रश्न
Explain the statement - ‘we have got this Earth planet on lease from our future generations and not as an ancestral property from our ancestors.’
Write a short note on disaster and its management.
How will you justify that overcoming the pollution is a powerful way of environmental management?
Write the factors affecting the environment.
Write six strategies implemented by you for conservation of environment.
Why does 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
Earthquake : Natural factor : : Industrialization : : _____________
Write any two man-made factors affecting the environment.
Give scientific reason.
Pollution is a very broad concept.
Give scientific reason.
The role of human beings in environmental balance is important.
Which are types of pollution?
Even today there is a need for movements like 'Chipko' movement. Explain this with the help of an example that you have experienced.
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. | ||
| Control Measure |
Why is there a need for conservation of the environment?
Write four adverse effects of radiations on human body.
