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Discuss the role of an individual to reduce environmental pollution. - Zoology

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प्रश्न

Discuss the role of an individual to reduce environmental pollution.

टिप्पणी लिखिए

उत्तर

  • Decrease waste generation
  • Use efficient transportation
  • Reduce energy consumption
  • Planting trees
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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 12: Environmental Issues - Evaluation [पृष्ठ २१७]

APPEARS IN

सामाचीर कलवी Biology (Zoology) [English] Class 12 TN Board
अध्याय 12 Environmental Issues
Evaluation | Q 15. | पृष्ठ २१७
सामाचीर कलवी Biology (Zoology) [English] Class 12 TN Board
अध्याय 13 Environmental Issues
Evaluation | Q 17. | पृष्ठ २३५

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?


Explain briefly how as a student, you can help in the reduction of waste generation.


What is garbage?


What are sources of waste?


What do you mean by a scrubber?


What is waste disposal?


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.


How does recycling help reduce pollution?


Which of the following substances will not be converted to compost when added in a composting pit?


What is waste collection?


What is transportation?


What is compost?


Garbage buried inside landfills remain here for a long time as they decompose very slowly and become _______.


The process by which waste materials are used to make new products is called recycling.


Analogy:

Biodegradable waste: Leaves, Garden wastes:: Non-biodegradable waste: ______.


What are the two major types of solid wastes?


In a village in Karnataka, people started cultivating crops all around a lake which was always filled with water. They added fertilisers to their field in order to enhance the yield. Soon they discovered that the waterbody was completely covered with green floating plants and fishes started dying in large numbers.

Analyse the situation and give reasons for excessive growth of plants and death of fish in the lake.


Paheli gave the following ill effects of the practice of burning dried leaves and other plant parts

  1. Burning degrades the soil.
  2. Burning produces harmful gases/fumes.
  3. Precious raw materials to obtain manure at low cost are lost
  4.  A lot of heat is generated unnecessarily

The correct reasons of why we should not burn leaves are


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