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प्रश्न
Give the effects of air pollutants on human health.
Effects of air pollutants on human health.
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उत्तर
| Pollutants | Effects on human being | |
| 1 | Carbon monoxide | a) It reduces oxygen carrying capacity of haemoglobin which leads to hypoxia. b) It causes headache, muscular weakness, nausea, exhaustion. c) Excess formation of carboxyhaemoglobin leads to death due to CO poisoning. |
| 2 | Hydrogen sulphide | a) Headache, nausea, collapse, conjunctivitis, irritation of mucus membrane, colic diarrhoea, bronchial pneumonia, coma and even death. b) Loss of appetite |
| 3 | Tobacco smoke | a) Lung cancer, pulmonary and heart diseases. b) Thickening of bronchial epithelial layer. c) Loss of ciliated cells. d) Appearance of cells with bizarre nuclei (cancerous cells) |
| 4 | Sulphur dioxide | Increases chances of occurrence of asthma, bronchitis, emphysema, etc. |
| 5 | N2O | Long exposure causes acute respiratory diseases. |
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| Column I | Column II |
| A. Environment Protection Act | i. 1974 |
| B. Air Prevention & Control of Pollution Act | ii. 1987 |
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