Advertisements
Advertisements
प्रश्न
What is environmental pollution?
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.
APPEARS IN
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.’
How will you justify that overcoming the pollution is a powerful way of environmental management?
Write the factors affecting the environment.
How can biodiversity be conserved?
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.
Give scientific reason.
The role of human beings in environmental balance is important.
What is meant by conservation of environment?
Even today there is a need for movements like 'Chipko' movement. Explain this with the help of an example that you have experienced.
What is the full form of UNEP?
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. |
Complete the following conceptual picture:
Give two sources of air pollution.
Give a control measure to control air pollution.
Match the correct pair:
| Column 'A' | Column 'B' | ||
| (1) | Forest Conservation Act |
(a) | 1986 |
| (b) | 1980 | ||
| (c) | 1970 |
