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प्रश्न
Explain:
Pollution- A problem
उत्तर
Pollution is the introduction of harmful substances into the natural environment that cause adverse impact. Pollution can be caused due to natural and man-made factors. There are various types of pollution:
- Air pollution: Emission of toxic gases from factories, automobiles lowers the quality of air. According to WHO, air pollution can lead to premature deaths.
- Noise Pollution: Prolonged exposure of High noise levels can contribute to cardiovascular diseases. Loud noise can cause a serious threat to a child’s physical and psychological health.
- Water pollution: It is caused when harmful effluents from factories or households are discharged into water bodies without treatment. Inadequate amount of quality water can lead to water scarcity. Intake of contaminated water is also linked to various diseases like cholera, typhoid, dysentery etc.
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संबंधित प्रश्न
Suggest measures for the following problem:
The slums in the cities are increasing.
Suggest measures for the following problem.
Because of the increasing traffic jams within the city, lot of time is consumed in commuting.
Suggest measures for the following problem:
The question of law and order in the urban areas is serious.
Suggest measures for the following problem:
The problem of pollution is grave because of urbanisation.
Compare the following and give example:
Transportation system and traffic jams
Compare the following and give example:
Migration and slums
Visit a big city near your village and write the facilities and problems you come across with the help of your teacher.
Using the statistical information given in the table below, draw a line graph of the percentage of urban population using computer. Discuss in terms of urbanisation. After studying this graph, write the conclusions about urbanisation in our country from 1961-2011 in your own words.
| S. No. |
Year | (Percentage) | No of urban settlements |
| 1 | 1961 | 17.79 | 2,270 |
| 2 | 1971 | 19.11 | 3,576 |
| 3 | 1981 | 23.34 | 3,245 |
| 4 | 1991 | 25.72 | 3,605 |
| 5 | 2001 | 28.06 | 5,161 |
| 6 | 2011 | 37.07 | 7,935 |
Suggest measures for the following problem of urbanisation shown in the following picture.
Suggest measures for the following problem of urbanisation shown in the following picture.
