What is meant by biodegradable and non-biodegradable materials? Give examples of two biodegradable and two non-biodegradable materials.
Answers
Materials which can be decomposed through natural processes by bacteria and fungi are biodegradable. E.g. paper, vegetables peel etc.
Materials which can not be decomposed through natural processes by bacteria and fungi are non biodegradable. E.g. glass, plastic etc.
Biodegradable and non-biodegradable materials
Explanation:
Biodegradable materials: Clothes made of natural fibre, Peels of vegetables and fruits, Cotton cloth, Jute bag.
Biodegradable substances are those that can be broken down into simpler compounds by the micro-organisms. So these waste will be decomposed and will return into the ecosystem. These are eco-friendly substances.
Non-biodegradable materials: Polythene bags, Aluminium cans, Toothbrush, Electric switch, Frying pan handle.
Non-biodegradable substances are those that cannot be broken down into simpler compounds by the micro-organisms. So these waste will not be decomposed and returned back to the ecosystem. Instead they pile up, block drains, harm animals, and pollute the environment. They must be disposed off responsibly.