Observe the following diagram and answer the questions
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.
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 |
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