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प्रश्न
Given below is a representation of a type pollution.
Study the picture and answer the questions :
1) Name the type of pollution shown in the picture
2) Name one source of this pollution
3) How does this pollution affect human health?
4) Write one measure to reduce this pollution
5) State one gaseous compound that leads to the depletion of the ozone layer and creates ‘Ozone holes’.
उत्तर
1) Air pollution
2) Smoke from vehicles
3) Air pollution results in respiratory problems, lung disorders etc
4) a) Use of unleaded petrol and of CNG.
b) Switching off automobile engines at red lights and when not in use.
5) CFC’s (chlorofluorocarbons) released from refrigerators, aerosol-sprayers etc.
APPEARS IN
संबंधित प्रश्न
State any two harmful effects of noise pollution on human health.
Following is a statement about pollution. Which type of pollution does it express?
Crop does not grow up in some areas.
Match the pairs from 'A' and 'B' columns and explain the effect of pollution on human health.
| Column 'A' | Column 'B' |
| 1. Water containing cobalt | a. Mental retardedness |
| 2. Methane gas | b. Paralysis |
| 3. Water containing lead | c. Inflammation of lungs. |
| 4. Sulphur dioxide | d. Skin cancer |
| 5. Nitrogen dixoide | e. Irritation of eyes |
Which one of the following is an example of pollutant?
Explain the Term: Pollutant
Name any three air pollutants and the sources of each of them
Distinguish between the following :
Quantitative Pollutants and Qualitative Pollutants.
With reference to pollution, explain the following:
Water pollution
Use your brain power !
What would happen if no kites (birds) are left in a particular region? Which living things would increase in number? Which would decrease?
Certain toxic gases from industries mix with raindrops and make rain unusually acidic.
