Human-generated Waste
Human Generated Waste
Every day, we put many things in our dustbin. For example, after eating a banana, we put the peel in the dustbin. After removing the products, the packaging materials become waste for us. Wastes are materials or substances that are:
Wastes can be solid (like fruit and vegetable peels), liquid (like used soapy water) or gaseous (gases released by vehicles). Solid waste is commonly called garbage.
Sources of wastes : We use new technologies to improve our standard of living, but these have also resulted in producing large amounts of wastes. Waste is usually produced at our homes, offices, industries, farms and hospitals.
Domestic waste : The waste produced in our houses like kitchen waste, electronic waste, cleaning waste etc. comes under this category.
Industrial waste : Due to industrialization a large amount of waste is produced by different industries. These waste are plastic, paper, glass etc.
Chemical waste : These are the waste produced by different chemical producing companies like pharma. food and processing, paint making etc. These chemical if released untreated can be very harmful for living organisms.
Agricultural waste : The waste produced during agricultural practices. These are cattle waste, weed and husk.
Commercial waste : Commercial waste are produced in schools, hospitals,institutes etc. These are plastic and paper.
Mr A and Mr. B are the two farmers, one using manure in his crops and other is using fertilizers as DDT in his crops. Mr. B got more vegetables from his land as compared to Mr. A. But people like to buy the vegetables from Mr. A. Why ? | |||
| Right Option : D | |||
| View Explanation |
Which of the following are correct ? (a) Any thing which is of no use to us or which we throw away is called waste. (b) One of the harmful effects of waste is air contamination it occurs due to burning of chemical waste like plastics, electronic items etc. (c) Due to collection of water in the waste cans and tyres there occur increase in the population of mosquitoes which causes disease like Dengue and Malaria. | |||
| Right Option : D | |||
| View Explanation | |||
Name some of the kitchen garbage. | |||
| Right Option : D | |||
| View Explanation | |||
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My experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
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