Advertisements
Advertisements
प्रश्न
Give two causes of air pollution.
उत्तर
- Industries and factories burn fuel and this causes smoke and pollutant gases.
- Vehicles during transport emit poisonous gases and particles. The slow burning of fuels produces lots of carbon dioxide.
संबंधित प्रश्न
Following is a statement about pollution. Which type of pollution does it express?
Problem of sneezing occurs sometimes during visit to garden.
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 are visible pollution known to you?
Which are invisible pollutants?
Explain the Term: Pollutant
Distinguish between the following :
Biodegradable and Non-biodegradable Pollutants
Distinguish between the following :
Quantitative Pollutants and Qualitative Pollutants.
See the diagram and answer the following question
Explain what is happening in the picture?
See the diagram and answer the following question
What types of pollution are caused by open dumps?
Polluted ______ affects skin, eyes, and respiratory system.
