NCERT Solutions for Class 6 Science Chapter 16 Garbage In Garbage Out is a beneficial study component required for the students studying CBSE board Class 6 science.
School Connect Online provided NCERT Solution will help students get a comprehensive understanding of the concepts. Studying this chapter will help you in scoring good marks in your class 6 also important for the preparation of Olympiads.
Solution has detailed answers and explanations to the exercise questions provided in the NCERT class 6 science textbook.
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NCERT Solutions for Class 6 Science Chapter 16 Garbage In Garbage Out
Topics and Sub Topics in Class 6 Science Chapter 16 Garbage In Garbage Out:
|Section Name||Topic Name|
|16||Garbage in, Garbage out|
|16.1||Dealing with Garbage|
|16.3||Think and Throw|
|16.4||Recycling of Paper|
|16.5||Plastics boon or a curse?|
1. (a) Which kind of garbage is not converted into compost by the red worms?
(b) Have you seen any other organism besides red worms, in your pit? If yes, try to find out their names. Draw pictures of these.
(a) Garbage substances like broken glass, aluminium wrappers, plastic items, polythene bags, which are non-biodegradable cannot be converted into compost by the redworms.
(b) Yes, saprophytic organisms such as moulds (white, black or greyish cottony patches) and bacteria (which can be seen under microscope) that help in decomposing biodegradable substances.
(a) Is garbage disposal the responsibility only of the government?
No, not just the government, but everybody is responsible for garbage disposal. We should bifurcate wet and dry waste, recycle the non-biodegradable substances and we should also reduce the accumulation of garbage in our house and streets.
(b) Is it possible to reduce the problems relating to disposal of garbage?
Yes, it is possible to reduce the problems of garbage by scientific disposal of garbage, we can do it by bifurcation of different waste and also by recycling the waste materials.
3. (a) What do you do with the leftover food at home?
Leftover food at home along with other kitchen waste like vegetable peel, paper are dumped into a compost pit to convert them into manure. Later on manure is used to grow plants.
(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?
We will select banana leaf platter because it can be easily converted into manure by composting.
Plastic plates can be recycled but in this process it gives out harmful gases which pollute the environment. Plastic items cannot be converted into manure by composting.
4. (a) Collect pieces of different kinds of paper. Find out which of these can be recycled.
Pieces of papers obtained from newspapers, notebooks, magazines, etc. can be recycled. Plastic coated and shiny papers cannot be recycled easily.
(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?
The surface of recycled paper is rough whereas the surface of a new sheet of paper is smooth.
5. (a)Collect different kinds of packaging material. What was the purpose for which each one was used? Discuss in groups.
Packaging materials like thermocol, foam sheets, paper cuttings, cardboard, jute are used to protect the articles.Card boxes, plastic containers and tin containers are used to facilitate transportation of the packed materials.
(b) Give an example in which packaging could have been reduced?
Packaging of toys, clothes, shoes, chocolates can be reduced.
(c) Write a story on how packaging increases the amount of garbage.
The basic purpose of packaging is to protect the product from tampering and to maintain its freshness and purity. However, most of the packaging material is used to beautify the boxes and make them look attractive on the shelves. Unfortunately, a large volume of packaging material goes waste and is thrown into the dustbin.
For example : in most of the places, the dustbins are full of chips and biscuit wrappers.
We should always avoid unnecessary packaging.
6. Do you think it is better to use compost instead of chemical fertilizers? Why?
Yes, it is better to use compost instead of chemical fertilizers because :
- Compost is eco-friendly and harmless.
- Compost maintains the texture and fertility of the soil.
- Chemical fertilisers destroy the natural composition of soil and have adverse effects on human health.
- Composting helps in recycling of matter and also in disposal of garbage.
- Leaching of chemical fertilisers causes water pollution and death of aquatic organisms.
- The production of compost is easy, cheap and harmless whereas production of chemical fertilisers is costly and problematic.
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