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Why is e-waste harmful? Express your opinion about this. - Science and Technology

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प्रश्न

Why is e-waste harmful? Express your opinion about this.

संक्षेप में उत्तर
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उत्तर

  • E-waste refers to electronic wastes, that include old and discarded electric appliances, such as computers, TVs, refrigerators, cell phones, electronic toys, batteries, etc. Most of the electronic waste is generated in cities, however, due to a faster rate of development and improved lifestyle, small towns and villages are also contributing to e-waste generation.
  • E-wastes is very dangerous and polluting as it contains many harmful substances, such as plastics, lead, cadmium, and mercury. These substances are not just non-biodegradable, but they also result in several life-threatening diseases, including cancer. Many of these harmful metals can enter the food chain and result in bioaccumulation.
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अध्याय 9: Environmental Management - Exercise [पृष्ठ १०७]

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बालभारती Science and Technology [English] 9 Standard Maharashtra State Board
अध्याय 9 Environmental Management
Exercise | Q 3. d. | पृष्ठ १०७

संबंधित प्रश्न

We often observe domestic waste decomposing in the bylanes of our homes. List four ways to make the residents aware that the improper disposal of wastes is harmful to the environment and also for their own health.


What is meant by incineration? for what purpose is it used?


What is sewage? How is sewage disposed of?


Write note.

Industrial waste


Give a reason for the following : 

Landfills are coming up fast near large cities.


Mention whether the following statement is true (T) or False (F).

Electricity is one of the primary needs of human society. 


What are the measuress adopted to prevent the spread of disease from sewage water?


The question has four options. Choose the correct answer:
Sewage water is purified by


Name one kind of industry that produces hazardous wastes?

What do you do with the leftover food at home?


Do you think it is better to use compost instead of chemical fertilizers? Why?


Which of the following is biodegradable?


What are the advantages of cloth bags over plastic bags during shopping?


To what use can you put the following kind of garbage and how?

Old newspapers


Read the poem written below and then answer the questions from the information gathered from the book or elsewhere.


Name the two kinds of waste that need to be separated from each other in two different waste bins.


Which one of the following is a biodegradable waste?


Choose the odd one out from the following terms and name the category to which the others belong:


Which of the following is non-biodegradable?


One of the best solutions to get rid of non-biodegradable wastes is ______.


Distinguish between the following pair:

Biodegradable and Non-biodegradable waste.


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