Advertisements
Advertisements
प्रश्न
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 |
उत्तर
| Column 'A' | Answer |
| 1. Water containing cobalt | b. Paralysis |
| 2. Methane gas | d. Skin cancer |
| 3. Water containing lead | a. Mental retardedness |
| 4. Sulphur dioxide | e. Irritation of eyes |
| 5. Nitrogen dixoide | c. Inflammation of lungs |
Explanation:
- Arsenic, Mercury, Lead, and Cobalt are classified as heavy metals. They contribute to water pollution, and their ingestion can be hazardous to human health. Drinking water contaminated with cobalt may impact the central nervous system and lead to paralysis.
- Methane gas is a hydrocarbon that forms in regions where the decomposition and decay of animal or plant remains occur. It is also known as marsh gas. Prolonged exposure to methane gas can increase the risk of skin cancer in humans.
- Arsenic, Mercury, Lead, and Cobalt are classified as heavy metals. They contribute to water pollution, and their ingestion poses a significant risk to human health. Drinking water with a high concentration of lead can lead to mental retardation in children and teenagers.
- Sulphur dioxide is a gas emitted when coal is burned in thermal power plants. Its release into the atmosphere leads to acid rain. If a person is exposed to sulphur dioxide, it may have harmful effects on health.
- Inflammation is a medical condition characterized by swelling or redness in a body organ. Nitrogen dioxide is primarily emitted from the combustion of fossil fuels in vehicles. Prolonged inhalation of nitrogen dioxide can lead to inflammation.
संबंधित प्रश्न
The Biological/technical term for The process causing an undesirable change in the environment
Following is a statement about pollution. Which type of pollution does it express?
Problem of sneezing occurs sometimes during visit to garden.
Following is a statement about pollution. Which type of pollution does it express?
People living in the busy squares face problems like short breathing and other respiratory problems.
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.
Which one of the following is an example of pollutant?
What is the effect of oil spills on marine life?
What causes waterborne diseases? Name two waterborn diseases.
Give the definition of a pollutant.
Give the difference between biodegradable and non- biodegradable pollutants.
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.
