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

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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] Standard 9 Maharashtra State
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.


"Affluent life style has a negative effect on the environment." Justify this statement with the help of an example.


What is sewage? How is sewage disposed of?


Give two-ecofriendly ways of treating kitchen wastes.


What is waste?

What are the basic sources of wastes?

The question has four options. Choose the correct answer:

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


List the biodegradable and non-biodegradable waste products in your school What are the best ways to get rid of this garbage?


Which kind of garbage is not converted into compost by the redworms?


Discuss:

Is garbage disposal the responsibility only of the government?


Which of the following is biodegradable?


The steps required for conversion of kitchen garbage into manure are given below in a jumbled form.

  1. Put garbage in a pit
  2. Cover the bottom of the pit with sand
  3. Cover the pot loosely with a gunny bag or grass
  4. Add worms

Which of the following shows the correct sequence of the above steps?


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 two items of waste each that need to be sent to a

  1. landfill,
  2. for composting.

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.


List two classes into which garbage is classified.


Which of the following is non-biodegradable?


Give two examples of Biodegradable wastes.


Define the following term:

Pollution


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