Match the items of Column A with those of Column B: Column A Column B 1. Vermicomposting (a) Non-biodegradable waste 2. Landfill (b) Rotting 3. Recycling (c) Liquid wastes 4. Domestic (Kitchen) waste (d) Collecting waste materials to process to make new products 5. Glass, plastic and metal (e) Large area for disposal of wastes 6. Chemicals, fertiliser and domestic sewage (f) Composting with the help of redworms 7. Bacteria and fungi (g) Garbage

1 - f Vermicomposting is the scientific method of making compost, by using earthworms which are commonly found living in the soil. 2 - e A large area for disposal of wastes is called a landfill where all the waste is dumped. Landfills help to prevent contamination of the surrounding environment from the waste. 3 - d The process of creating new products from waste is called recycling. It helps in reducing waste and energy. 4 - g The waste generated in the household is called garbage. Garbage is the waste we produce daily in our homes, including old or unwanted food, chemical substances, paper, broken furniture, used containers, and other things. We should segregate dry and wet waste in separate bins. 5 - a Examples of non-biodegradable wastes are glass, plastic and metal. A non-biodegradable material can be defined as a kind of substance which cannot be broken down by natural organisms and acts as a source of pollution. 6 - c Examples of liquid waste are chemicals, fertilizers and domestic sewage. It includes the wastewater generated by bathing, washing clothes and utensils, etc. Liquid waste leads to water pollution and adversely affect aquatic life. 7 - b Bacteria and fungi are decomposers that help in rotting. Column A Column B 1. Vermicomposting (f) Composting with the help of redworms 2. Landfill (e) Large area for disposal of wastes 3. Recycling (d) Collecting waste materials to process to make new products 4. Domestic (Kitchen) waste (g) Garbage 5. Glass, plastic and metal (a) Non-biodegradable waste 6. Chemicals, fertiliser and domestic sewage (c) Liquid wastes 7. Bacteria and fungi (b) Rotting

E M B I B E

Science Success>Chapter 16 - Garbage In, Garbage Out>EXERCISES>Q B

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6th CBSE

IMPORTANT

Earn 100

Glass is a waste.

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Important Questions on Garbage In, Garbage Out

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6th CBSE

IMPORTANT

Science Success>Chapter 16 - Garbage In, Garbage Out>EXERCISES>Q C

Rotting is carried out by bacteria and fungi.

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6th CBSE

IMPORTANT

Science Success>Chapter 16 - Garbage In, Garbage Out>EXERCISES>Q C

The fertilizer is domestic waste.

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6th CBSE

IMPORTANT

Science Success>Chapter 16 - Garbage In, Garbage Out>EXERCISES>Q C

Domestic waste is also known as garbage.

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6th CBSE

IMPORTANT

Science Success>Chapter 16 - Garbage In, Garbage Out>EXERCISES>Q C

Aluminium foil will rot in a week.

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6th CBSE

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Science Success>Chapter 16 - Garbage In, Garbage Out>EXERCISES>Q C

DDT is a non-biodegradable waste.

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6th CBSE

IMPORTANT

Science Success>Chapter 16 - Garbage In, Garbage Out>EXERCISES>Q C

Banana peels and vegetable peels are domestic waste.

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6th CBSE

IMPORTANT

Science Success>Chapter 16 - Garbage In, Garbage Out>EXERCISES>Q D

Match the items of Column A with those of Column B:

Column A	Column B
1. Vermicomposting	(a) Non-biodegradable waste
2. Landfill	(b) Rotting
3. Recycling	(c) Liquid wastes
4. Domestic (Kitchen) waste	(d) Collecting waste materials to process to make new products
5. Glass, plastic and metal	(e) Large area for disposal of wastes
6. Chemicals, fertiliser and domestic sewage	(f) Composting with the help of redworms
7. Bacteria and fungi	(g) Garbage