Garbage In Garbage Class 6 Extra Questions Science Chapter 16
NCERT Extra Questions for Class 6 Science Chapter 16 Garbage in Garbage
Dealing With Garbage
What is waste?
All those used and unusable substances which cannot be reused in the same form are called waste.
Where is waste material stored in your home?
The waste material is stored in polythene bags or in the dustbins.
Where is this waste material thrown?
This waste material is thrown in selected empty place or waste material bins.
From where do the things written above come into the waste material?
The things written above come into the waste material through the various activities performed at home and from the waste material produced during cooking.
Find out where is the waste material taken and who does this work?
The waste material is taken to places which have to be filled and this work is done by Municipal Corporation of different cities.
Name some substances that are difficult to dispose of.
Plastic, Polythene, Lead batteries, Glass, Rubber, etc., are difficult to dispose of.
From where the waste material is brought in dustbin?
Mostly the waste material is brought to the dustbin from houses, shops, roads, industries, etc.
What is a dustbin?
The container or space in which the waste material is stored is called a dustbin.
How many types of dustbins are formed for convenience?
There are two types of dustbins (introduced by Indian Government):
- The green colour dustbin is used for biodegradable wastes.
- The blue colour dustbin is used for non-biodegradable wastes.
Define landfills and composting.
Ways of managing biodegradable wastes are:
- Landfill: Garbage is collected in trucks and are taken to a low-lying open area called landfills.
- Composting: The rotting and conversion of some biodegradable materials into manure is called composting.
You must have seen children collecting things from waste material. Talk to these children and find out that by selling which things from this waste material they get money.
Children collect plastic bags, broken toys of plastics, piece of paper, cardboard, newspapers, old books, broken things of iron, etc., from the waste material to sell to get money.
What will you do if waste material is not picked from the waste material bin near your house? Will you cover your nose while passing along side it? What else?
We will cover our nose while passing through it but with it we will make a complaint to the officer of Municipal Corporation and tell him to make an arrangement of cleaning the waste material.
Which animals do you find to visit the heaps of waste?
The following animals are mostly found visiting heaps of waste materials:
Dogs, cows, oxen, pigs, crows, and insects like houseflies, mosquitoes.
Why is it harmful to burn leaves?
On burning, the leaves pollute the atmosphere. There will not be any compost manure if the leaves are burnt.
What is vermiculture?
Vermiculture is the artificial rearing or cultivation of earthworm.
Which organism (animal) is called farmer’s friend?
Name the type of earthworm used in the composting process?
What is vermicomposting?
The method of preparing compost with the help of redworms is called vermicomposting.
What are redworms?
Redworms are a type of earthworms which help in preparing compost from the kitchen wastes and parts of plants or animals.
Your locality faces the problem of waste disposal. How will you convince your neighbours that making compost is the solution?
Residents of our street will believe us only when they will see that in practice. So we dig a pit at open place at one comer of our colony and ask all the residents of the street to throw their kitchen waste in this pit and cover it with soil. Cover it with the mixture of soil and dung. Five to six weeks later, open the pit and show it to them that their disposed material has been converted into compost manure.
Think and Throw
What can we do to overcome the problem of garbage?
We should produce minimum garbage by
What do you mean by reduced use?
We should reduce the use of such thing which adds to the garbage, and cannot be recycled.
What is reuse?
We should use the packings, polythene bags, etc., for as many times as we can, instead of throwing them.
What are blue-coloured bins used for?
Blue bins are used for collecting materials that can be recycled.
Recycling of Paper
Think some handicraft materials which are prepared by waste materials. Construct them with the help of your teacher and friends.
The following things can be prepared by the waste material:
- Several designs and sceneries can be prepared on cardboard with the help of pencil scrab.
- We can prepare baskets, toys, vase, golak, etc., with the help of smesh.
- Egg trays can be decorated with the help of different colours and can be used as wall hangings.
- Take a wet empty earthen cup (Kullarh). Make small holes in its walls with the help of iron nail. It is called as Janjhi in which we put a burning candle. Light comes out in different designs.
- Flower vase can be prepared with the help of ice-cream sticks.
- Different types of drawings are prepared on the broken rings and paper.
- Several types of toys are prepared with the help of plastic cup, spoon, plate, forks.
- Historical monuments are designed with the help of empty injection bottles and ampule
Students can prepare any other models with the help of their parents, teachers,^friends, brothers, sisters and relatives.
Plastics – Boon or a Curse?
Have a discussion about the uses and harmful effects of plastics in our daily lives.
Uses of plastic:
- Plastic goods like, containers, boxes, jars, etc., are used for keeping edible goods. They do not spoil.
- The goods in plastic pack can be carried anywhere easily.
- Plastic pickings are light in weight, good looking, cheap and best and durable.
- No chemical effects on it
Demerits of plastic:
- Plastic bags do not decompose in soil and cause decreasing of fertility.
- Most of the people fill the peelings and rotten fruits and vegetables in plastic bags. They throw them on roads, in drains or in fixed dustbins from where cattle like cows, dogs, pigs, bulls, etc., eat them with plastic bags. These bags are not digested by the animals and they suffer from diseases.
Objective Type Questions
|Column A||Column B|
|(a) Land fill||(i) Give out harmful gases on burning|
|(b) Vermi compositing||(ii) Form Compost|
|(c) Red worms||(iii) Making things from waste|
|(d) Recycling||(iv) Land where garbage is thrown|
|(e) Plastic||(v) Method of preparing compost|
|Column A||Column B|
|(a) Landfill||(iv) Land where garbage is thrown|
|(b) Vermicomposting||(v) Method of preparing compost|
|(c) Redworms||(ii) Form compost|
|(d) Recycling||(iii) Making useful things from wastes|
|(e) Plastic||(i) Gives out harmful gases on burning|
Fill in the blanks with appropriate words:
- …………………… is an area where the garbage is collected.
- Converting plant and animal wastes into manure is called ……………….. .
- We need to generate …………….. waste.
- Method of making compost using …………………. is called vermicomposting.
- Municipal solid waste is commonly called ………………. .
State whether the statements given below are True or False:
- Paper can be recycled to get useful products.
- Drains get choked due to plastics thrown by us.
- Plastics give out harmful gases on heating or burning.
- Redworms eat upon green leaves on trees and make compost.
- Plastics are eco-friendly.
Choose the correct option in the following questions:
(i) Which one of the following will add to garbage?
(a) Wrapper of a biscuit pack
(b) Tin of a cold drink
(c) Syringe used by a doctor
(d) All of these
(d) Garbage consists of many different types of substances and materials, as wrapper of a biscuit pack, tin of a cold drink, syringe used by a doctor, tea leaves, etc.
(ii) Which one can be used for making manure?
(a) Earthworms are called farmer’s friends because they convert agricultural waste into manure.
(iii) Leaves falling from trees should be disposed by
(b) making compost by boiling and drying them
(c) making compost by vermicomposting
(d) any of these methods
(c) leaves falling from trees should be disposed by making compost by vermicomposting.
(iv) Garbage from cities is collected at
(a) landfill areas
(c) inside the ponds and lakes
(d) near every colony
(a) Garbage from cities is collected at landfill areas.
(v) Which of the following can be recycled?
(a) Waste paper
(b) Leather shoes
(c) Animal waste
(d) Kitchen waste
(a) Waste paper is renewable source which is recycled into 0ther uesful products
(vi) Out of these, which one is a non-biodegradable waste?
(b) Faecal matter
(c) Aluminium foil
(c) Non-biodegradable wastes are those that cannot be broke and harmless products by microbes.
(vii) 3’R’ means
(a) reduce, reuse and recycle
(b) rain, reuse and recycle
(c) rotting, reduce and reuse
(d) recycle, rain and rotting
(a) Practicing 3R’s (Reduce, Reuse and Recycle) is a good method of waste management and important for healthy environment.
(viii) Which among the following will not pollute the soil?
(a) Aluminium foil
(c) Thermo Col
(d) Bread is a biodegradable material.
(ix) Rotting is carried out by
(a) Biodegradable wastes are broken down by microorganism (microbes)
(x) Materials that can be recycled are collected in
(a) Red bins
(b) Blue bins
(c) Yellow bins
(d) White bins
(b) According to government scheme, materials that can be r in blue bins. This waste is sent directly for processing