Answer the following in 3-4 lines
1. What can be the reasons for the water of a pond being unfit for consumption?
The water of a pond can be unfit for consumption due to contamination from garbage and waste materials, leading to the presence of harmful bacteria and pollutants.
2. What will be the condition of dumping area if the volume of garbage keeps on increasing?
If the volume of garbage keeps increasing in a dumping area, it will lead to overflowing piles of garbage, environmental pollution, and the potential for the spread of diseases through increased mosquito and fly populations.
3. List the harmful effects of the use of plastics in articles of daily use.
Harmful effects of using plastics include clogging drains, ingestion by animals leading to health issues or death, obstruction of water flow in soil, and the release of harmful gases during burning, causing air pollution and health problems.
4. Explain the meaning of recycling.
Recycling is the process of using scientific methods to transform waste substances like metals, plastics, glass, and rubber into reusable materials, reducing the need for new raw materials and minimizing environmental impact.
5. Why earthworms are known as farmers’ friends?
Earthworms are known as farmers’ friends because they play a crucial role in decomposing organic waste material in the soil, producing nutrient-rich organic manure known as vermi compost. This enhances soil fertility, promotes plant growth, and helps in waste disposal, making earthworms beneficial for both farmers and the environment.
Extra Question and Answers
Q: Why is waste management important for the environment?
A: Waste management is crucial for the environment because improper disposal of waste, especially non-biodegradable materials like plastics, can lead to pollution of air, water, and land. It also has negative effects on human health and damages the aesthetic beauty of the surroundings.
Q: What is the role of recycling in waste management?
A: Recycling is a process that scientifically treats waste substances like metals, plastics, glass, and rubber to make them reusable. It helps in reducing the environmental impact of waste and conserving resources.
