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प्रश्न
What is the effect of oil spills on marine life?
उत्तर
Sea water polluted with oil leakage causes oil spills which contaminate sea water and lead to the death of marine organisms.
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संबंधित प्रश्न
Read the passage and identify the sentences expressing types of pollution.
Nilesh is a student of Std. VII and lives in urban area. It takes about an hour to go to the school by bus. He faces the heavy traffic of two wheelers, four wheelers, rickshaws, buses while going to school. He is facing the problem of asthma since last few days, Doctors recommended him to stay away from urban area. Since then, his mother sent him to the village of his maternal uncle, Nilesh saw the heaps of garbage at many places in village. Foul smell of human and animal wastes was present at many places. Blackish water with foul smell was flowing in a stream. He developed some abdominal disease within few days.
True or false.
Water does not get polluted by washing the cloths in running water of river.
Which are invisible pollutants?
Explain the Term: Pollution
| Column 1 | Column 2 | ||
| 1 | SPM | a | Release of methane |
| 2 | Ozone hole | b | Add to greenhouse effect |
| 3 | Melting of polar ice | c | Affects oxygen transport by blood |
| 4 | Acid rain | d | Rise in sea level |
| 5 | Green house effect | e | Bronchitis & inflammation of the lungs |
| 6 | Melting of permafrost | f | Erosion of buildings |
| 7 | Carbon monoxide | g | Chlorofluorocarbons |
What are primary pollutants?
What is the connection between urbanisation and air pollution?
land or soil pollution happens when toxic ______ change the natural balance in soil.
Name the following:
The undesirable change in the environment leading to its deterioration.
Give two examples of Particulate pollutants.
