NCERT Solutions Class 6 Science Chapter 16 Garbage In Garbage Out

Exercises

Q.1

a) Which kind of garbage is not converted into compost by the redworms?
b) Have you seen any other organism besides redworms, in your pit? If yes, try to find out their names. Draw picture of these.

Answer: The garbage that contains plastic bags, metal or plastic cans, broken glass pieces, aluminum foil is not converted into compost by redworms. Besides redworms, sometimes beetles, bugs, etc might be seen in the pit.

Q.2. Discuss:

a) Is garbage disposal the responsibility only of the government?
b) Is it possible to reduce the problems relating to disposal of garbage?

Answer:

a) Proper disposal of garbage should be a responsibility of every citize Every citizen should put his efforts to reduce the generation of waste. It is a responsibility of every individual to throw the garbage properly in bins. Municipalities have provided two types of bins for waste disposal. Blue coloured bin is for the kind of waste that can be reused or recycled. Green bin is for the kind of waste that can be rotten. It is our responsibility to throw the waste in the bin specified for the type of waste so that it would be easy for municipality to finally dispose off the waste.

b)Yes, it is possible to reduce the problems relating to disposal of garbage. Following steps can be taken to reduce the problems relating to disposal of garbage:

1. One should use more of paper bags, cloth bags or jute bags while shopping.
2.One should use separate bins for recyclable or non-recyclable wastes.
3. Compost should be prepared from the kitchen waste.
4. General awareness programs should be run to make people aware about the bad effects of improper disposal of waste.

Q.3

a) What do you do with the leftover food at home?
b) If you and your friends are given the choice of eating in a plastic plate or a banana leaf platter at a party, which one would you prefer and why?

Answer:

a) Leftover food can be utilised in following ways:

1. Leftover food at home can be used to make some other items and then can be consumed.
2.If it cannotbe used in this way then it should be collected and distributed in the poor people.
3. If the leftover food has spoiled then it should be collected and dumped into soil to make compost.

b)One should choose eating in a banana leaf platter because of the following reasons:

1. They are easy to dispose.
2. They are eco-friendly.

Q.4 

a) Collect pieces of different kinds of paper. Find out which of these can be recycled.
b) With the help of a lens look at the pieces of paper you collected for the above question. Do you see any difference in the material of recycled paper and a new sheet of paper?

Answer:

a) All the pieces of different kinds of paper can be recycled.

b)In comparison with the new sheet of paper the recycled paper is of poor quality, dull in colour and rough in texture.

Q.5

a) Collect different kinds of packaging material. What was the purpose for which each one was used? Discuss in groups.
b) Give an example in which packaging could have been reduced?
c) Write a story on how packaging increases the amount of garbage.

Answer:

a) Different kinds of packaging materials are:
1. Straw in fruit cartoons
2. Plastic covers for clothes
3. Newspaper in crockery

b)Instead of keeping clothes in plastic covers, they can be kept in paper covers. Paper covers reduce garbage as production as paper can be recycled and reused.

c)Packaging increases the amount of garbage as we keep on throwing the packaging materials carelessly on road and other places. Also, since these packaging materials (mainly plastic covers) are non- recyclable, they keep lying on the roads and cannot be properly disposed off. Sometimes, they get into drains and sewer systems and block them, creating more problems.

Q.6. Do you think it is better to use compost instead of chemical fertilisers? Why?

Answer: Yes, it is better to use compost instead of chemical fertilisers. The reasons are:

1. Preparation of compost helps in reduction of waste that can be decomposed.
2.Compostis environment friendly as compared to the chemical fertilisers. 
3. Use of compost helps in reducing soil pollution and water pollution.