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प्रश्न
Differentiate between biodegradable and non-biodegradable substances with the help of one example each.
उत्तर
| Biodegradable wastes | Non-biodegradable wastes | ||
| (a) | Waste materials which can be broken down to non-poisonous substances in nature in due course of time by the action of microorganisms such as certain bacteria are called biodegradable wastes. | (a) | Waste materials which cannot be broken down into non-poisonous or harmless substances in nature are called non-biodegradable wastes. |
| (b) | Examples: Cattle dung, wool, paper, compost | (b) | Examples: Plastics, polythene bags, metal articles, glass objects |
संबंधित प्रश्न
Why should biodegradable and non-biodegradable wastes be discarded in two separate dustbins?
Which of the following groups contain only biodegradable items?
Explain why, some materials are biodegradable but some are non-biodegradable.
Give two examples of biodegradable wastes.
Which of the following materials are biodegradable?
Animal bones, Iron nails, Plastic mugs, Leather belts, Silver foil
Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as ______.
We often use the word environment. What does it mean?
Name any five items which are recyclable.
Write the benefits of recycling.
Expired medicines, used batteries are domestic hazardous waste.
