Advertisements
Advertisements
प्रश्न
Match the items in column ‘A’ with the proper ones in column ‘B’ and explain their impact on the environment.
| Column ‘A’ | Column ‘B’ |
| 1. Harmful waste | a. Glass, rubber, carry bags, etc. |
| 2. Domestic waste | b. Chemicals, pigments, ash, etc. |
| 3. Biomedical waste | c. Radioactive material |
| 4. Industrial waste | d. Leftover food, vegetables, peelings of fruits. |
| 5. Urban waste | e. Bandages, cotton, needles, etc. |
Advertisements
उत्तर
| Column 'A' | Answers |
| 1. Harmful waste | c. Radioactive material |
| 2. Domestic waste | d. Leftover food, vegetables, peelings of fruits. |
| 3. Biomedical waste | e. Bandages, cotton, needles, etc. |
| 4. Industrial waste | b. Chemicals, pigments, ash, etc. |
| 5. Urban waste | a. Glass, rubber, carry bags, etc. |
Impact on the environment is explained as follows:
- Harmful waste - It is dangerous to the environment or human health. It is considered toxic because it is harmful to human health when a person is exposed to substances through inhalation, ingestion or touch.
- Domestic waste - It is the waste generated by the daily usage of domestic materials. Uncollected domestic waste causes health hazard as well as pollutes the environment and endanger the life of people at large.
- Biomedical waste - It is a kind of infectious material waste which is obtained especially from hospitals and causes infectious diseases.
- Industrial waste - It is produced by the industrial processes during the manufacturing of several things. This waste can be liquid, solid or gaseous, it pollutes air, soil, and nearby water sources. Water discharged from factories pollutes rivers and lakes. Dumping of industrial waste into the river causes water pollution.
- Urban waste - This waste leads to serious health and environmental issues if not disposed of or managed properly.
APPEARS IN
संबंधित प्रश्न
Students in a school listened to the news read in the morning assembly that the mountain of garbage in Delhi suddenly exploded and various vehicles got buried under it. Several people were also injured and there was traffic jam all around. In the brain storming session the teacher also discussed this issue and asked the students to find out a solution to the problem of garbage. Finally they arrived at two main points -one is self management of the garbage we produce and the second is to generate less garbage at individual level.
1) Suggest two measures to manage the garbage we produce.
2) As an individual, what can we do to generate the least garbage? Give two points.
3) List two values the teacher instilled in his student in this episode.
What are the biodegradable waste?
State the scientific and eco-friendly methods of waste management.
What is meant by domestic waste?
Explain the role of government in waste management.
Study the image below and write down three items you have at home in each category of waste.
Biodegradable ______
Study the image below and write down three items you have at home in each category of waste.
Recyclable: ______
Study the image below and write down three items you have at home in each category of waste.
Non-recyclable: ______
The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as ____________.
Discuss the role of an individual to reduce environmental pollution.
How does recycling help reduce pollution?
Which of the following substances will not be converted to compost when added in a composting pit?
Excessive exposure to ultraviolet radiation causes ______.
Unwanted materials pollute our ______.
What is waste disposal or final disposal?
The term non-biodegradable is used for those things that can be easily decomposed.
Match the following:
| i. | Avoid the usage | a. | Recycle |
| ii. | Sharing newspapers | b. | Incinerate |
| iii. | Using fountain pens | c. | Buying packaged food |
| iv. | Using old clothes to make paper | d. | Reducing |
| v. | Human anatomical waste | e. | Reusing |
Suggest suitable mechanism(s) for waste management in fertilizer industries.
In a village in Karnataka, people started cultivating crops all around a lake which was always filled with water. They added fertilisers to their field in order to enhance the yield. Soon they discovered that the waterbody was completely covered with green floating plants and fishes started dying in large numbers.
Analyse the situation and give reasons for excessive growth of plants and death of fish in the lake.
