NCERT Solutions for Class 6 Science Chapter 16 Garbage in, Garbage out

Question 1. (a) Which kind of garbage is not converted into compost by the redworms?

Answer:- Non-biodegradable waste like polythene bags, broken glass, alluminium wrappers, and nails etc. 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 pictures of these.

Answer:- We found earthworms, small insects like ant in our pit.


Question 2. Discuss :

(a) Is garbage disposal the responsibility only of the government?

Answer:- No, not just government but we all have the responsibility of garbage disposal. A clean environment is essential for our health as well as the prevention of disease transmission. So garbage should be disposed of in proper place. We should also take steps to prevent waste accumulation in our homes and on the streets.


(b) Is it possible to reduce the problems relating to disposal of garbage?

Answer:- Yes, scientific garbage disposal methods, such as bifurcation of various waste material and recycling of them, may help to reduce the problems relating to disposal of garbage.



Question 3. (a) What do you do with the left over food at home?

Answer:-  At home, leftover food and other kitchen decomposable trash such as vegetable peels and paper are put into a compost heap to be converted into manure. Manure is afterwards utilised to cultivate 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?

Answer:- We will select banana leaf platter because it is a decomposable waste. It can be easily converted into manure by composting. Whereas Plastic plates are not biodegradable, and as a result, they can remain in the environment and cause a variety of issues.


Question 4. (a) Collect pieces of different kinds of paper. Find out which of these can be recycled.

Answer:-Papers from newspapers, notebooks, and magazines can all be easily recycled. Shiny and coated papers, on the other hand, are difficult to recycle.


(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:- Recycled paper has a rough surface, whereas fresh paper has a smooth surface.


Question 5. (a)Collect different kinds of packaging material. What was the purpose for which each one was used? Discuss in groups.

Answer:- To preserve the products, packaging materials such as thermocole, foam sheets, paper cuts, card board, and jute are used. To transport the packaged goods, cardboard boxes, plastic containers, and tin containers are utilised.


(b) Give an example in which packaging could have been reduced?

Answer:-  We can decrease the amount of waste by reusing the packing material. Toys, clothing, shoes, and chocolates may all be packaged more efficiently.


(c) Write a story on how packaging increases the amount of garbage.

Answer:- We utilise packing materials to safeguard the items as well as to make the package attractive. To present a gift on a birthday, for example, the gift is packaged and wrapped in a glossy or plastic-coated paper. The packaging material is thrown away after usage. Plastic bags, cans, aluminium foils, plastic or aluminium cans, and other packaging materials are similarly utilised and then discarded.

Ghee, refined oil, soaps, detergents, and the majority of eatables are marketed in tiny packets.

All of the aforementioned techniques can assist in minimising the quantity of waste generated as a result of packing.


Question 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 fertilizers for the following reasons:

  1. Compost is easy and cheap to prepare compost
  2. Compost is environment friendly as it does not cause any health issues in humans and animals
  3. Compost does not pollute the environment.
  4. Compost improves the fertility of the soil.
  5. Compost is biodegradable.
  6. Compost maintains the texture and fertility of the soil.