NCERT Solutions For Class 6 Science Chapter 16 Garbage In, Garbage Out

(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.

  (a) Left over food can be utilised in following ways:

         1. Left over food at home can be used to make some other items and then can be consumed.

         2. If it cannot be used in this way, then it should be collected and distributed to the poor people.

         3. If the left over 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.

(a) Proper disposal of garbage should be a responsibility of every citizen. 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 wastes that can be reused, such as glass, metals and plastics. Green coloured bin is for the collection of kitchen wastes and other animal or plant wastes. 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.

(a) The garbage that contains plastic bags, metal or plastic cans, broken glass pieces, aluminum foil is not converted into compost by redworms.
(b) Besides redworms, other organisms such as flies, spiders, cockroaches, maggots, flies, small insects etc. can also be observed in the pit.

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. Compost is environment friendly as compared to the chemical fertilisers.

  3. Use of compost helps in reducing soil pollution and water pollution.

(a) Different kinds of packaging materials are:

1. Plastic covers that are used for the packaging of clothes.

2. Cardboard that is used for cartons of fruits, clothes etc.

3. Wooden boxes that are used for packaging of delicate items, fruits etc.

(b) Instead of keeping clothes in plastic covers, they can be kept in paper covers. Paper covers reduce garbage production, as paper can be recycled to get useful products.

(c) Packaging increases the amount of garbage as we keep on throwing the packaging materials carelessly on roads 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.