Class 10
Chapter 16 Class 10 - Sustainable Management of Natural Resources

Observe the following diagram and answer the questions

Based Management Strategy - Teachoo.jpg

8.1 Choose the waste management strategy that is matched with the 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

8.1 – 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

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

a) recycled papers may release color /dyes on food items

b) recycled papers are not absorbent

c) recycled papers can cause infection due to release of methane

d) recycled papers are costly

Answer

8.2 - c) recycled papers can cause infection due to release of methane

Decomposition of paper produces methane which may cause infection

 

 

8.3 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, vegetable 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

 

8.3 - 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

8.4 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

8.4 - 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

 

8.5 When recycling a plastic water bottle, what should you do with the cap?

a) The cap goes into a garbage can and the bottle goes in a recycling bin

b) Screw the cap back on the bottle, then put the bottle and cap in a recycling bin

c) Screw the cap back on the bottle, then put the bottle and cap in the garbage can

d) Recycle the cap separately.



Answer

8.5 - a) The cap goes into a garbage can and the bottle goes in a recycling bin

Cap goes into garbage and bottle goes in recycle bin-Teachoo-01.jpg

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CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo