Advertisements
Advertisements
प्रश्न
Why is e-waste harmful? Express your opinion about this.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Give any two ways in which non-biodegradable substances would affect the environment.
Name the various modes of waste disposal.
Write note.
Plastic waste
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
Define electronic waste and list at least six items which come under this category.
Give a reason for the following :
Why is municipal sewage is first separated into degradable and non-degradable wastes?
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:
Sewage water is purified by
List the biodegradable and non-biodegradable waste products in your school What are the best ways to get rid of this garbage?
Observe the bins and waste material heaps and suggest what materials can be used for preparing handicrafts materials.
Discuss:
Is garbage disposal the responsibility only of the government?
Which of the following is biodegradable waste?
First link in any food chain is usually green plants because ______.
What are the advantages of cloth bags over plastic bags during shopping?
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 two items of waste each that need to be sent to a
- landfill,
- for composting.
Beautiful hand crafted articles like boxes and toys are made of paper pulp in our country. Can you explain how paper pulp which is made from paper can be used to make hard boxes and other articles?
Answer the following question in one or two words or sentences:
Who, out of the following should properly dispose of the garbage – father, mother, elder brother, younger sister?
Give two examples of Non-biodegradable wastes.
