Chapter 16
Garbage In Garbage Out
1. (a) Which kind of garbage is not converted into compost by the redworms?
Ans - Plastic bag and articles, tin glass and aluminium foils are not converted by compost by the red worms.
(b) Have you seen any other organism besides redworms, in your pit? If yes, try to find out their names. Draw pictures of these.
Ans - Earthworms, small insects like ant, millipedes are found in pits.
2. Discuss:
(a) Is garbage disposal the responsibility only of the government?
Ans - 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?
Ans - 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 left over food at home?
Ans - Preserve them in refrigerator and use them before they get spoiled.
(b) If you and your friends are given the choice of eating in a plastic plate or a banana leaf plotter at a party, which one would you prefer and why?
Ans - I choose Banana leaf for the following reasons
- Easy to dispose
- Can be reused
- Environment friendly
4. (a) Collect pieces of different kinds of paper. Find out which of these can be recycled,
Ans - All kinds of paper can be used except plastic paper.
(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?
Ans - Recycled paper is thick when compared to new sheet of paper.
5. (a) Collect different kinds of packaging material. What was the purpose for which each one mas used? Discuss in groups.
Ans - Different kinds of packaging materials used commonly are:
- Cardboard – used as shoe, soap, bulb and other boxes.
- Plastic Bags – Toys covers, sarees bags, shopping bags, etc.
- Wooden Boxes – Fruit baskets and boxes for hardware.
- Jute Bags – School bags, shopping bags, vegetable bags, etc.
(b) Give an example in which packaging could have been reduced.
Ans - By reusing the packaging material, we can reduce the accumulation of garbage.
(c) Write a story on how packaging increases the amount of garbage.
Ans - 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 dustbin.
For example, in most of the places, the dustbins are full of chips and biscuit wrappers.
It unnecessarily increases the amount of garbage. It also increases the cost of the product due to unnecessary packaging. We should seriously consider how to reduce unnecessary packaging.
6. Do you think it is better to use compost instead of chemical fertilisers? Why?
Ans 6. Yes, it is better to use compost instead of chemical fertilizers for the following reasons:
- It is easy to prepare compost
- Compost is environment friendly as it does not cause any health issues in humans and animals
- Compost will not cause pollution
- Compost increases soil fertility.
- Compost is biodegradable.
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