Management of Garbage and Sewage


 
 
Concept Explanation
 

Management of Garbage and Sewage

Wastes can be segregated in to biodegradable and non biodegradable wastes.

1.    The blue dustbin is for collecting non- biodegradable waste materials such as plastics, metals, glass, bottles, plastic wastes old batteries chocolate wrappers polythene bags. These materials can be recycled and used again.

2.    The green dustbin is for collecting biodegradable waste materials such as kitchen wastes and other plant and animal wastes.

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Sample Questions
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Question : 1

In management of garbage, the left over part is fed by ______________

Right Option : B
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Question : 2

Bacteria are important in sewage wastage because ____________________

Right Option : C
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Question : 3

When something in the garbage rots completely and did not smell, it ____________________________

Right Option : C
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