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प्रश्न
Classify the following pollutions into natural and man-made categories.
Sewage, dust, pollen grains, chemical fertilizers, vehicular smoke, algae, pesticides, waste of animals and birds.
उत्तर
| Pollutant | Category |
| Sewage | Man-made |
| Dust | Natural |
| Pollen grains | Natural |
| Chemical fertilizers | Man-made |
| Vehicular smoke | Man-made |
| Algae | Natural |
| Pesticides | Man-made |
| Waste of animal and plants | Natural |
संबंधित प्रश्न
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong:
Detergents, X-rays, sewage, oil spills
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.
Name the following pollutants:
The chemical element which caused minimata disease in Japan.
What is the effect of oil spills on marine life?
Name three gases emitted during burning of garbage.
Give the difference between natural and man-made pollutants.
Define water pollution
What is soil pollution?
What is noise pollution? What harm does noise pollution do to human beings?
Give two examples of Particulate pollutants.
