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प्रश्न
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.
उत्तर
(a) Material A is garbage.
(b) Incineration is the name of the method of waste disposal named B.
(c) Structure C is known as an incinerator.
(d) (i) D is carbon dioxide.
(ii) E is water vapour.
(iii) F is ash.
(e) The method of disposing of wastes by burning them is especially suitable for the disposal of hospital wastes.
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संबंधित प्रश्न
How can you help in reducing the problem of waste disposal? Give any two methods.
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. |
Study the image below and write down three items you have at home in each category of waste.
Recyclable: ______
Explain the link between waste and dangerous diseases like dengue and malaria?
In the E-waste generated by the Mobile Phones, which among the following metal is most abundant?
How does recycling help reduce pollution?
Excessive exposure to ultraviolet radiation causes ______.
It is best to separate waste into 3 different bins.
What is transportation?
What is compost?
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 _______.
The term non-biodegradable is used for those things that can be easily decomposed.
Analogy:
Biodegradable waste: Leaves, Garden wastes:: Non-biodegradable waste: ______.
What are the two major types of solid wastes?
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.
Provide a suitable term that expresses the meaning of the following statement.
Contents of the waste bins.
