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Explain the difference. Degradable and non-degradable waste - Science and Technology

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प्रश्न

Explain the difference.

Degradable and non-degradable waste 

फरक स्पष्ट करा
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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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पाठ 9: Environmental Management - Exercise [पृष्ठ १०७]

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बालभारती Science and Technology [English] 9 Standard Maharashtra State Board
पाठ 9 Environmental Management
Exercise | Q 7. b. | पृष्ठ १०७

संबंधित प्रश्‍न

How can you help in reducing the problem of waste disposal? Give any two methods.


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.


What can an individual do to reduce waste at home? 


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 eutrophication?


Explain the role of government in waste management.


In schools, waste management rules say that we should separate waste into two categories.


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?


It is best to separate waste into 3 different bins.


What is waste collection?


What is transportation?


What is waste disposal or final disposal?


The burning of solid waste in ______ is called incineration.


Provide a suitable term that expresses the meaning of the following statement.

Contents of the waste bins.


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