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प्रश्न
Write four adverse effects of radiations on human body.
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उत्तर
- Genetic changes occur.
- Vision is adversely affected.
- Tissues in the body are destroyed.
- Cancerous ulceration occurs due to higher radiation from X-rays.
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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 environmental conservation.
Which businesses will you start near the agro-tourism center?
Write a short note on sacred groves.
How will you justify that overcoming the pollution is a powerful way of environmental management?
Why does the human beings have important place in 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
Earthquake : Natural factor : : Industrialization : : _____________
What initiatives will you take regarding environmental conservation? Write how.
We should conserve our natural resources and energy
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. | ||
| Control Measure |
Complete the following conceptual picture:
Give two sources of air pollution.
Mention one measure to control air pollution.
Match the correct pair:
| Column 'A' | Column 'B' | ||
| (1) | Forest Conservation Act |
(a) | 1986 |
| (b) | 1980 | ||
| (c) | 1970 |
