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प्रश्न
How can you help in reducing the problem of waste disposal? Give any two methods.
उत्तर १
We can help in reducing the problem of waste disposal by these methods:
- By separating biodegradable substances from non-biodegradable substances.
- By reducing, reusing and recycling non-biodegradable substances.
उत्तर २
- By minimising the use of disposal items and promoting the use of recycled articles.
- Separating biodegradable and non-biodegradable waste before dumping them.
- Recycling the non-biodegradable waste material.
APPEARS IN
संबंधित प्रश्न
Mention any two sources of wastes.
What are the biodegradable waste?
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.
Explain the difference.
Degradable and non-degradable waste
State the scientific and eco-friendly methods of waste management.
How will you register individual participation in solid waste management?
What is meant by domestic waste?
What is biomedical waste?
What do you mean by a scrubber?
What is eutrophication?
How does an incinerator work?
Study the image below and write down three items you have at home in each category of waste.
Non-recyclable: ______
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?
How does recycling help reduce pollution?
Which of the following substances will not be converted to compost when added in a composting pit?
______ is the very important step in waste management.
______ waste can be turned into something new which is valuable.
Plastic bags and food packaging is a ______ item.
What is waste collection?
What is transportation?
What is compost?
The burning of solid waste in ______ is called incineration.
The process by which waste materials are used to make new products is called recycling.
What is Landfill?
India produces 532 million kilos of solid waste every day.
What are the two major types of solid wastes?
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.
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 are lost
- A lot of heat is generated unnecessarily
The correct reasons of why we should not burn leaves are
Provide a suitable term that expresses the meaning of the following statement.
An area where a lot of garbage is collected, spread out and covered with soil.
