Beera, a farmer would clear his field everyday, and burn dry
leaves fallen on the ground. After sometime he found that those
living in huts near his field were suffering from cough and
breathing problems. (i) Can you explain why? (ii) Also suggest
an environment friendly way to dispose the dry leaves.
Read the poem written below and then answer the questions from the information gathered from the book or elsewhere.
Blue and Green
Two bins, you mean?
Yes, they are there
to throw your waste.
But not in a hurry
Nor in a haste.
Select from waste, sieve if seems muddy
Separate all items and when they are ready
Place in a blue bin, or one that is green
For a voyage to the landfill, or for composting
(i) Name the two kinds of waste that need to be separated
from each other in two different waste bins.
(ii) Name two items of waste each that need to be sent to a
(a) landfill, (b) for composting.
Paheli was writing a letter to her friend. She crumpled and
threw the first draft of her letter on the floor as it had become
untidy. Similarly she crumpled and threw 6 more papers on
the ground. In the end, she picked them up and put them in a
polythene bag and threw it on the road outside her house. Do
you think Paheli’s action were responsible? What would you
have done if you were in her place?
To what use can you put the following kinds of garbage and
how?
(i) rotting smelly garbage
(ii) dry leaves collected in a garbage
(iii) old newspapers
Provide the suitable term that expresses the meaning of each
of the following statements.
(a) Greeting cards made from newspaper.
(b) Contents of the waste bins.
(c) Worms converting certain kinds of waste into manure.
(d) An area where a lot of garbage is collected, spread out
and covered with soil.
Correct the definitions of certain terms given below by changing
only one word.
(i) Compost: Substances converted into manure for use in
industries.
(ii) Landfill: Garbage buried under water in an area.
(iii) Recycling: Reuse of unused material in the same or
another form.
The steps required for conversion of kitchen garbage into
manure are given below in a jumbled form.
(i) Put garbage in a pit
(ii) Cover the bottom of the pit with sand
(iii) Cover the pit loosely with a gunny bag or grass
(iv) Add worms
Which of the following shows the correct sequence of the above
steps?
(a) (ii); (i); (iii); (iv) (b) (i); (ii); (iii); (iv)
(c) (ii); (iv); (i); (iii) (d) (iv); (i); (ii); (iii)
A garbage collector separate items mentioned below in the
garbage into red, green and blue containers for their transfer
to landfill, composting pit, and recycling unit respectively.
Items:
(i) Plastic bags
(ii) Newspaper and journals
(iii) Screw and nuts
(iv) Vegetable peels
(v) Metal chips
(vi) Egg shells
Which item were transferred to which bin?
RED GREEN BLUE
(a) (i) and (iv) (ii) and (iii) (v) and (vi)
(b) (i) and (iii) (ii) and (v) (iv) and (vi)
(c) (i), (iii) and (v) (iv) and (vi) (ii) only
(d) (i) and (v) (ii) and (iv) (iii) only
Paheli gave the following ill effects of the practice of burning dried leaves and other plant parts
(i) Burning degrades the soil.
(ii) Burning produces harmful gases/fumes.
(iii) Precious raw materials to obtain manure at low cost is lost.
(iv) Lot of heat is generated unnecessarily.
The correct reasons of why we should not burn leaves are
(a) i, ii and iv only
(b) i, ii, iii, and iv
(c) ii and iii only
(d) ii, iii, and iv only
Which of the following activities does not reflect responsible behaviour with regard to waste disposal?
(a) Goods carried in paper bags or cloth bags.
(b) Waste collected in polythene bags for disposal.
(c) Waste separated into those that degrade and those that do not.
(d) Making handicrafts with used up notebooks.