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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 short note on Chipko Movement of Bishnoi.
How will you justify that overcoming the pollution is a powerful way of environmental management?
Which projects will you run in relation to environmental conservation? How?
Write the factors affecting the environment.
Give scientific reason.
Why the human beings have important place in environment?
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 : : _____________
Which are types of pollution?
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:
Match the correct pair:
| Column 'A' | Column 'B' | ||
| (1) | Forest Conservation Act |
(a) | 1986 |
| (b) | 1980 | ||
| (c) | 1970 |
