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प्रश्न
How can the wastes such as paper, plastic and metal objects be disposed of?
उत्तर
Wastes such as paper, plastic and metal objects can be disposed of through recycling. This is done in the following ways.
1) Waste paper is sent to paper mills, where it is reprocessed to make new paper once again.
2) Broken plastic articles, such as plastic bags, buckets, bowls, cups and plates, are sent to plastic-processing factories, where they are melted and remoulded to make new articles.
3) Waste metal articles are sent to metal industries, where they are melted into solid metal and recycled for various purposes.
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संबंधित प्रश्न
Identify biodegradable waste from the following:
peels of vegetables and fruits, metallic cans, broken plastic toys, broken glass cover, grass, paper, ball point pen refill
Match the items in Column I with as many times as possible in Column II.
|
Column I |
Column II |
|
1. Cow dung |
(i) Sugarcane |
|
2. Bagasse |
(ii) Raddiwalas |
|
3. Old newspapers |
(iii) Manure |
The question has four options. Choose the correct answer:
Fish die in water bodies polluted by sewage due to
List waste products produced from an industry.
What things does waste contain?
Municipality provides two types of dustbins for garbage collection. One coloured with blue colour and other with green colour. From following wastes which you will put in the which dustbin?
Plastic materials, metals and glass items, wastes of plants and animals, peels of fruits and vegetables, dried leaves and twigs, remains of meat like flesh and bones.
First link in any food chain is usually green plants because ______.
Beera, a farmer would clear his field every day, and burn dry leaves fallen on the ground. After some time he found that those living in huts near his field were suffering from cough and breathing problems.
(i) Can you explain why?
(ii) Also suggest an environment-friendly way to dispose of the dry leaves.
What happens when
Tea leaves, cotton swabs and old soft toys are thrown into the drain.
Define the following term:
Pollution
