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प्रश्न
Explain the difference.
Degradable and non-degradable waste
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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. |
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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.
Mention any two sources of wastes.
What are the biodegradable waste?
Explain briefly how as a student, you can help in the reduction of waste generation.
What is meant by domestic waste?
What is biomedical waste?
Study the image below and write down three items you have at home in each category of waste.
Recyclable: ______
In the E-waste generated by the Mobile Phones, which among the following metal is most abundant?
Discuss the role of an individual to reduce environmental pollution.
Which of the following substances will not be converted to compost when added in a composting pit?
Unwanted materials pollute our ______.
______ is the very important step in waste management.
______ can return back to the soil and become food for plants.
______ waste can be turned into something new which is valuable.
It is best to separate waste into 3 different bins.
What is waste collection?
The burning of solid waste in ______ is called incineration.
Garbage buried inside landfills remain here for a long time as they decompose very slowly and become _______.
Paheli gave the following ill effects of the practice of burning dried leaves and other plant parts
- Burning degrades the soil.
- Burning produces harmful gases/fumes.
- Precious raw materials to obtain manure at low cost is lost.
- Lot of heat is generated unnecessarily.
The correct reasons of why we should not burn leaves are
