in, Garbage out
Q23. What should we do with the left-over food at home?
We should do the following to the left-over food
Preserve food properly for reuse.
Use it in preparation of some other food
item and consume.
Q24. What do you understand by vermicomposting?
A type of earthworm called redworm is used for composting. This method of
preparing compost with the help of redworms is called vermicomposting.
Q25. Polythene bags should not be used for garbage disposal. Why?
Plastics thrown carelessly get into drains and sewages which results in often
blockage and causes water-logging. So polythene bags should not be used for
Q26. What are the uses of plastic?
Cleaning solution and soap containers, food and drink storage, shopping bags,
freezer bags, pipes, insulation, bottle caps, vehicle fuel tanks, protective
helmets etc. are made from plastic.
Q27. Why polythene bags create a big problem in garbage disposal?
kind of plastics can be recycled, but, not all of them. Polythene
bags and some plastics did not rot. Thus, Polythene bags create a big problem
in garbage disposal.
Q28. Why plastic should not be burnt?
All kind of plastics give out harmful gases, upon heating or burning. These gases
may cause many health problems, including cancer, in humans. Thus, plastic
should not be burnt.
Q29. How the non-useful component of the garbage is treated?
The non-useful component is separated out. It is then spread over the landfill
and then covered with a layer of soil. Once the landfill is completely full, it
is usually converted into a park or a playground.
Q30. The use of plastics in itself might not create so much of a
The use of plastics in itself might not create so much of a problem. Problems arise
when we use plastics excessively and are ignorant about ways of disposing their
Q31. Why is burning of husk, dried leaves and part of crop plants
considered as bad practice? What could be a better
Burning of these produces smoke and gases that are harmful to our health. We
should try to stop such practices. These wastes could be converted
into useful compost.
Q32. Why we should not use wastes that may contain salt,
pickles, oil, vinegar, meat and milk preparations as food for redworms?
We should not use wastes that may contain salt, pickles, oil, vinegar, meat and
milk preparations as food for redworms because if you put these things in the
pit, disease-causing small organisms start growing in the pit.
Q33. Suggest some handicrafts which can be prepared using waste
from old charts, greeting cards decorated with flowers made from pencil shavings,
mats from old clothes, baskets from used old polythene bags and diary from
invitation cards are some of the items which can be prepared using waste
Q34. Rag pickers always suffer from diseases. Give reason.
Garbage dumps have flies, cockroaches and mosquitoes, which later turn into
breeding grounds for micro-organisms that may cause disease.
picking through waste, the rag pickers put themselves at a great risk and are
always prone to disease as the waste that they searches through can be
Q35. What are the effects of
throwing garbage in open place?
Effects of throwing garbage in open place
Garbage will start decaying and as a result
of this, bad smell spread in the nearby areas.
It will become a breeding ground for
mosquitoes and flies.
It cause air pollution and thus causes many
It destroys the aesthetic look of a place.