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प्रश्न
How does a biodegradable waste differ from a non-biodegradable waste? Give two examples of non-biodegradable wastes which pollute our environment.
उत्तर
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. |
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संबंधित प्रश्न
Differentiate between biodegradable and non-biodegradable substances with the help of one example each.
Why should biodegradable and non-biodegradable wastes be discarded in two separate dustbins?
List two changes in habit that people must adopt to dispose of nonbiodegradable waste, for saving the environment.
What is meant by biodegradable waste materials?
State two advantages of using disposable paper cups over disposable plastic cups.
We often use the word environment. What does it mean?
Select two non-biodegradable substances from the following waste generated in a kitchen:
Spoilt food, paper bags, milk bags, vegetable peels, tin cans, used tea leaves
Name any five items which are recyclable.
Write the benefits of recycling.
Suggest any four activities in daily life which are eco-friendly.