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प्रश्न
Write the factors affecting the environment.
उत्तर
- The biotic and abiotic factors affect the environment. Among abiotic factors, the physical and chemical factors can alter the conditions of the environment.
- Abiotic factors are either natural or man-made.
- The various interrelationships between different living organisms can also affect environment.
- The natural disasters such as earthquake, forest fires cyclones, cloud bursting, drought etc. change the environment.
- The human activities such as deforestation, urbanisation, construction etc. cause permanent damage to the ecosystems. Due to man-made impact, there can be large scale changes in the environment.
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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.’
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Sacred Groves.
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Complete the following chart:
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Earthquake : Natural factor : : Industrialization : : _____________
What is environmental pollution?
We should conserve our natural resources and energy
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. |
Complete the following conceptual picture:
Give two major cause of air pollution.
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 |
