Advertisements
Advertisements
प्रश्न
Write the factors affecting the environment.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Write a short note on:
Environmental Conservation.
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
Find an odd one out.
Earthquake : Natural factor : : Industrialization : : _____________
Give scientific reason.
The role of human beings in environmental balance is important.
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. |
Name the act under which trading of rare animals has been completely banned.
Why is there a need for conservation of the environment?
What are the different types of air pollutants?
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 |
Write four adverse effects of radiations on human body.
