Waste management is essential in today’s society. Due to an increase in population, the generation of waste is getting doubled day by day. Moreover, the increase in waste is affecting the lives of many people. Waste management is the management of waste by disposal and recycling of it. Moreover, waste management needs proper techniques keeping in mind the environmental situations. For instance, there are various methods and techniques by which the waste is disposed of. You must have come across 5 R’s to save the environment: refuse, reduce, reuse, repurpose and recycle.

 

12.1 Choose the waste management strategy that is matched with correct example.

 

(a)

Refuse

Choose products that use less packaging

(b)

Reduce

Give unwanted toys and books to hospitals or schools

(c)

Reuse

Not using single use plastic

(d)

Repurpose 

Making flower pot from used plastic bottle

 

Answer

12.1 d) Repurpose → Making flower pot from used plastic bottle

Reusing a waste material to make something that is useful is called repurposing. Using a plastic bottle to make a flower pot is thus repurposing.

Repurpose (Bottles).jpg

 

 

12.2 Recycling of paper is a good practice but recycled paper should not be used as food packaging because

a) recycled papers take lots of space

b) recycled papers can’t cover food properly

c) recycled papers can cause infection

d) recycled papers are costly

 

Answer

12.2 - c) recycled papers can cause infection 

Decomposition of paper produces methane which may cause infection

 

12.3 According to the ‘Solid Waste Management Rule 2016’, the waste should be segregated into three categories. Observe the table below and select the row that has correct information




 

Wet waste

Dry waste

Hazardous waste

(a)

Cooked food Vegetables Peels

Used bulbs, fluorescent lamps

Plastic carry bags,

bottles, newspaper,

cardboard

(b)

Coffee and tea

powder, garden

waste

Plastic carry bags,

bottles, newspaper,

cardboard

Expired medicines,

razors, paint cans

(c)

Leftover food,

vegetable peels

Coffee and tea

powder, garden waste

Insect repellents,

cleaning solutions

(d)

Uncooked food,

tea leaves

Old crockery, frying

pans

Coffee and tea powder,

garden waste

 

Answer

12.3 - b) 

Wet waste

Dry Waste

Hazardous waste

Coffee and tea powder,

garden waste

Plastic carry bags, bottles,

newspaper, cardboard

Expired medicines, razors,

paint cans

 

Waste Segregation-Teachoo.jpg

12.4 Effective segregation of wastes at the point of generation is very important. Select the appropriate statements giving the importance of waste segregation.

i) less waste goes to the landfills

ii) better for public health and the environment

iii) help in reducing the waste

iv) resulting in deterioration of a waste picker’s health

a) both i) and ii)

b) both i) and iii)

c) both ii) and iii)

d) both i) and iv)

 


Answer

12.4 - a) both i and ii

Segregation of waste is based on;

Less waste goes to the landfills and better for public health and the environment



12.5 The given graph shows the amount of waste generated, dumped and treated in percentage. Identify the reason for the low success rate of the waste management process.

Waste Generated and Collected - Teachoo.jpg

a) only 15% of urban India’s waste is processed

b) less than 60% of waste is collected from households

c) more than 60% of waste is collected from households

d) both a and b

 

Answer

 

12.5 d) both a and b

Only 15% of urban India’s waste is processed 

Less than 60% of waste is collected from households

  1. Class 10
  2. Chapter 16 Class 10 - Sustainable Management of Natural Resources (Int
Class 10
Chapter 16 Class 10 - Sustainable Management of Natural Resources (Int

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo