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प्रश्न
Which one of the following is an example of pollutant?
विकल्प
A rat entering your kitchen
CO2 given out by the respiring organism
The heat given out while cooking food
The dust raised during road-cleaning
उत्तर
The dust raised during road-cleaning
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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.
Name the following pollutants:
The chemical element which caused minimata disease in Japan.
| 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 causes waterborne diseases? Name two waterborn diseases.
With reference to pollution, explain the following:
Water pollution
What could be the reasons of air pollution?
Identify who am I?
I am the type of pollution caused by loud sounds and I can cause serious damage to your ears and also affect sleep. In India, I am mainly caused by loudspeakers and the honking of air horns of cars. I am ______ pollution.
Think of the objects in your home. Just keep in mind, the books, toys, furniture, food materials, and even pets of your home. These living and non-living things together make your home. Look at the following picture and list out the living and non-living things, in the pond.
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.
