What is meant by biodegradable and non-biodegradable materials? Give examples of two biodegradable and two non-biodegradable materials.
A material which gets decomposed through natural processes such as the action of bacteria is called biodegradable material.
Examples of Biodegradable material: Peels of vegetables and fruits, wood.
A material which is not easily decomposed by natural processes such as action of bacteria is called non-biodegradable material.
Examples of Biodegradable material: Plastics, glass.
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- Differentiate between biodegradable and non-biodegradable materials.
- (a) What is meant by biodegradable waste materials? Give two examples of biodegradable wastes.(b) Which of the following materials are non-biodegradable?Aluminium wire, Tea leaves, Synthetic fibre, Wool
- (a) What is meant by non-biodegradable waste materials? Give two examples of non-biodegradable wastes.(b) Which of the following materials are biodegradable?Animal bones, Iron nails, Plastic mugs, Leather belts, Silver foil
- What is biodegradable and non-biodegradable?
- Biodegradable and Non Biodegradable Polymers
- Biodegradable and Non Biodegradable Waste
- How does a biodegradable waste differ from a non-biodegradable waste? Give two examples of non-biodegradable wastes which pollute our environment.
- Distinguish between biodegradable and non-biodegradable wastes.
- (a) Describe an activity to show that while paper is biodegradable but plastic (say, polythene) is non-biodegradable.(b) Explain why, some materials are biodegradable but some are non-biodegradable.
- State whether plastic is biodegradable or non-biodegradable? Give reasons for your Answer.
- Tin takes about 100 years to degenerate. Is it biodegradable or non-biodegradable ?
- Differentiate between biodegradable and non-biodegradable substances with the help of one example each. List two changes in habit that people must adapt to dispose non-biodegradable waste, for saving the environment.
- Disposable plastic plates should not be used because :(a) they are made of light weight materials (b) they are made of toxic materials(c) they are made of biodegradable materials (d) they are made of non-biodegradable materials
- Classify the following as biodegradable and non-biodegradable materials: Woollen clothes, Polythene bags, Paper, Aluminium cans, Toothbrush, Peels of vegetables and fruits, Cotton cloth, Jute bag, Electric switch, Frying pan handle.
- List the biodegradable and non-biodegradable waste products in your school. What are the best ways to get rid of this garbage?
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