Garbage in and Garbage out (Part - 1)

Garbage in and Garbage out (Part - 1)


Q.1. What do we mean by the terms waste and garbage?

Ans. Waste is any unwanted or unusable remain or byproduct of materials or food. 

Garbage is any discarded rubbish, refused waste like used plastic item and wrapping material.

Q.2. Name some common types of waste.

Ans. some common types of waste can be

·         Domestic Waste – like kitchen waste, sewage etc.

·         Industrial Waste – like chemical waste, Ashes etc.

·         Community Waste – like waste from hospitals, schools, park etc

·         Agricultural Waste – like fibres, husk, stalks etc.

·         Electronic Waste – like E-waste of computer, mobile etc.

Q.3. Who started Swachh Bharat Mission and what is the main objective of Swachh Bharat Mission?

Ans. The Prime Minister of India, Shri Narendra Modi launched the Swachh Bharat Mission (SBM). The aim of this mission is to create an open defecation-free India by 2 October 2019.

Q.4. What are the components of garbage?

Ans. The garbage may contain

a)      Useful component – The things which can be converted either into compost, vermicompost, recycled or reused are called the useful component of garbage. Like plant and animal waste, any metal, paper etc.

b)   Non useful component - The things which cannot be converted either into compost, vermicompost, recycled or reused are called the useful component of garbage. Like some kind of plastics etc.

Q.5. Differentiate between biodegradable and non biodegradable waste.

Ans. 

 

Biodegradable

Non biodegradable

1

The part of garbage which can be decomposed (rot) into harmless substances in nature is called biodegradable.

The part of garbage which cannot be decomposed (rot) into harmless substances in nature is called biodegradable.

2

All the garbage derived from plants and animals are biodegradable.

All the garbage derived from sources other than plants and animals are non-biodegradable.

3

These wastes are also called organic waste.

These wastes are also called inorganic waste.

4

These wastes can be disposed off easily.

These wastes cannot be disposed off easily.

5

For example: Peels of fruits and vegetables, cow dung, paper, dried leaves etc.

For example: any metal, broken glass, plastic etc.

Q.6. What type of garbage is collected in green, blue, yellow and red dustbins?

Ans.  Segregation of waste is important, so all waste generators should start segregating their waste into different categories. For this, different coloured dustbins can be seen around.

1. The Green-coloured dustbins are meant for wet and biodegradable wastes. For eg: kitchen wastes including vegetables and fruits skins.

2. Blue dustbins are meant for disposal of plastic wrappers and non-biodegradable wastes.

3. Yellow dustbins are meant for papers and glass bottles.

4. Red dustbins are meant for Domestic Hazardous Waste (diapers, napkins, mosquito repellents, cleaning agents) before they hand it over to the collectors.

Popular posts from this blog

Sound (part -1) class 8

Sound (part -3) class 8

Sound (part -4) class 8