How does a biodegradable waste differ from a non-biodegradable waste? Give two examples of non-biodegradable wastes which pollute our environment.

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Solution

Biodegradable waste Non-biodegradable waste

Waste materials that can be broken down into non-poisonous substances in due course of time, by the action of natural micro-organisms such as certain bacteria, are called biodegradable wastes.
Waste materials that cannot be broken down into non-poisonous or harmless substances naturally are called non-biodegradable wastes.

Examples: Paper and vegetable peels. Examples: Plastic and iron nails.

Plastic and polythene bags are non-biodegradable wastes that pollute the environment

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Similar questions

(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.

An example of non-biodegradable waste is,

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Biodegradable waste	Non-biodegradable waste
Waste materials that can be broken down into non-poisonous substances in due course of time, by the action of natural micro-organisms such as certain bacteria, are called biodegradable wastes.	Waste materials that cannot be broken down into non-poisonous or harmless substances naturally are called non-biodegradable wastes.
Examples: Paper and vegetable peels.	Examples: Plastic and iron nails.