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Match the items in column ‘A’ with the proper ones in column ‘B’ and explain their impact on the environment. Column ‘A’ Column ‘B’ 1. Harmful waste a. Glass, rubber, carry bags, etc. - Science and Technology

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प्रश्न

Match the items in column ‘A’ with the proper ones in column ‘B’ and explain their impact on the environment.

Column ‘A’ Column ‘B’ 
1. Harmful waste  a. Glass, rubber, carry bags, etc. 
2. Domestic waste  b. Chemicals, pigments, ash, etc. 
3. Biomedical waste  c. Radioactive material 
4. Industrial waste  d. Leftover food, vegetables, peelings of fruits. 
5. Urban waste  e. Bandages, cotton, needles, etc.
जोड्या लावा/जोड्या जुळवा
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उत्तर

Column 'A' Answers
1. Harmful waste  c. Radioactive material
2. Domestic waste d. Leftover food, vegetables, peelings of fruits.
3. Biomedical waste e. Bandages, cotton, needles, etc.
4. Industrial waste b. Chemicals, pigments, ash, etc. 
5. Urban waste  a. Glass, rubber, carry bags, etc.

Impact on the environment is explained as follows:

  1. Harmful waste - It is dangerous to the environment or human health. It is considered toxic because it is harmful to human health when a person is exposed to substances through inhalation, ingestion or touch.
  2. Domestic waste - It is the waste generated by the daily usage of domestic materials. Uncollected domestic waste causes health hazard as well as pollutes the environment and endanger the life of people at large.
  3. Biomedical waste - It is a kind of infectious material waste which is obtained especially from hospitals and causes infectious diseases.
  4. Industrial waste - It is produced by the industrial processes during the manufacturing of several things. This waste can be liquid, solid or gaseous, it pollutes air, soil, and nearby water sources. Water discharged from factories pollutes rivers and lakes. Dumping of industrial waste into the river causes water pollution.
  5. Urban waste - This waste leads to serious health and environmental issues if not disposed of or managed properly. 
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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 1. | पृष्ठ १०७

संबंधित प्रश्‍न

Students in a school listened to the news read in the morning assembly that the mountain of garbage in Delhi suddenly exploded and various vehicles got buried under it. Several people were also injured and there was traffic jam all around. In the brain storming session the teacher also discussed this issue and asked the students to find out a solution to the problem of garbage. Finally they arrived at two main points -one is self management of the garbage we produce and the second is to generate less garbage at individual level.

1) Suggest two measures to manage the garbage we produce.

2) As an individual, what can we do to generate the least garbage? Give two points.

3) List two values the teacher instilled in his student in this episode.


What are the biodegradable waste?


What is garbage?


Explain the difference.

Degradable and non-degradable waste 


State the scientific and eco-friendly methods of waste management.


How will you register individual participation in solid waste management?


What is meant by domestic waste?


Define gaseous waste.


What is biomedical waste?


How is solid waste disposed of in ah incinerator?


What do you mean by a scrubber?


What is eutrophication?


Study the image below and write down three items you have at home in each category of waste.

Non-recyclable: ______


In schools, waste management rules say that we should separate waste into two categories.


Write any two things that can be recycled.


Discuss the role of an individual to reduce environmental pollution.


Excessive exposure to ultraviolet radiation causes ______.


What is waste collection?


The burning of solid waste in ______ is called incineration.


Provide a suitable term that expresses the meaning of the following statement.

An area where a lot of garbage is collected, spread out and covered with soil.


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