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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.

थोडक्यात 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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पाठ 9: Environmental Management - Exercise [पृष्ठ १०७]

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

संबंधित प्रश्‍न

Give a method for the disposal of household wastes such as left-over food, fruit and vegetable peels, and leaves of potted plants.


What is sewage? How is sewage disposed of?


Define electronic waste and list at least six items which come under this category.


Give reason for the following : 

Broken glass utensils are a kind of non-degradable waste.


Give a reason for the following : 

Why is municipal sewage is first separated into degradable and non-degradable wastes?


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


What kind of waste causes viral and bacterial disease transmission?

Give two examples of e-waste.

What hazards does mining pose to the environment?


The question has four options. Choose the correct answer:

A huge quantity of sewage is dumped in a river. The BOD will


Discuss:

Is it possible to reduce the problems relating to disposal of garbage?


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


Which of the following is biodegradable waste?


Which of the following is biodegradable?


Which of the following activities does not reflect responsible behaviour with regard to waste disposal?


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.


Write 3 sentences on what comes to your mind when you chance to see the following.

A cow eating a polythene bag.


Write 3 sentences on what comes to your mind when you chance to see the following.

Foul odour emanating from garbage at the entrance of your house.


Which of the following features relates to biodegradable substances?


Distinguish between the following pair:

Biodegradable and Non-biodegradable waste.


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