Advertisements
Advertisements
प्रश्न
Explain the difference.
Degradable and non-degradable waste
Advertisements
उत्तर
|
Sr. No. |
Degradable waste |
Non-degradable waste |
|
(i) |
Degradable waste can be degraded or broken down into simpler, harmless substances by living organisms like microbes or microorganisms. |
Non-degradable waste cannot be degraded or broken down into simpler substances by living organisms. |
|
(ii) |
The degradation process in degradable waste is fast. |
The degradation process in non-degradable waste is slower than in biodegradable. |
|
(iii) |
Degradable waste is not collected but is used up in a short time. |
Non-degradable waste is often collected. |
|
(iv) |
Breakdown of these wastes enriches the soil such as plant and animal wastes. Therefore, such wastes are beneficial for the soil. |
They do not break down and cause soil pollution. For e.g. plastics, glass, etc. Such wastes are harmful to the soil. |
|
(v) |
Degradable waste has become part of biogeochemical cycles and gives back quick turnover. |
Most of the non-degradable waste can never enter biogeochemical cycles, is very slow and is more harmful to the earth. |
|
(vi) |
E.g., wasted food, fruits, paper, etc. |
E.g., plastic, rubber, glass, metal, etc. |
APPEARS IN
संबंधित प्रश्न
How can you help in reducing the problem of waste disposal? Give any two methods.
Mention any two sources of wastes.
Every household produces a lot of material A daily. In one of the methods of disposal B, material A is burned at a very high temperature of about 1000°C in a structure called C. During this process, the organic matter present is removed as D and E whereas F is left behind (which can be dumped in a landfill site).
(a) What is material A?
(b) Name the method of disposal B.
(c) What is structure C known as?
(d) What are (i) D (ii) E, and (iii) F?
(e) This method is especially suitable for the disposal of materials produced by certain institutions. Name such institutions.
State the scientific and eco-friendly methods of waste management.
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. |
What is meant by domestic waste?
Define gaseous waste.
What is biomedical waste?
What do you mean by a scrubber?
What is waste disposal?
Study the image below and write down three items you have at home in each category of waste.
Non-recyclable: ______
Write any two things that can be recycled.
What are the sources of solid wastes? How are solid wastes managed?
In the E-waste generated by the Mobile Phones, which among the following metal is most abundant?
Excessive exposure to ultraviolet radiation causes ______.
______ is the very important step in waste management.
Plastic bags and food packaging is a ______ item.
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 |
Give the Solid Waste Management (SWM) rules.
