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प्रश्न
What are Pollutants?
उत्तर १
Pollutants are harmful chemicals and substances that cause pollution. For example, nitrogen oxides, sulphur oxides, carbon monoxide, pesticides etc.
उत्तर २
- Toxic gases and fine particles from burning fossil fuels, chemicals released from factories.
- Sewage, industrial effluents, pesticides, and fertilizers
- Plastics and electronics are land pollutants.
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संबंधित प्रश्न
Which one of the following is non-biodegradable?
(A) DDT
(B) Vegetable peel
(C) Cardboard
(D) Bark of trees
Following is a statement about pollution. Which type of pollution does it express?
Many times, vomiting and dysentery occurs after eating 'pani puri'
True or false:
More the use of electric appliances more will be the pollution.
Which are visible pollution known to you?
Give two examples of each of water, soil and air pollution from your residential area.
Construct two slogans each on air, water and soil pollution.
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.
Which one of the following is an example of pollutant?
The picture below shows a campaign recently started by the Indian Government.
Who launched this campaign and when?
True or False:
The average home creates more pollution then does the average car.
| 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 |
Define water pollution
See the diagram and answer the following question
Explain what is happening in the picture?
Identify who am I?
I am the type of pollution caused by burning of fossil fuels like petrol or coal and the smoke of burning garbage. I float around and cause breathing problems. I am _______ pollution.
land or soil pollution happens when toxic ______ change the natural balance in soil.
Give two examples of gaseous air pollutants.
An undesirable change in the environment is called as ______.
