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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
Which of the following groups contain only biodegradable items?
Which of the following are biodegradable and which non-biodegradable?
Glass bottle, Paper, Ball point pen refill, Hay, DDT, Wheat, Cake, Wood, Polythene bag, Jute bag, Cotton cloth, Grass, Vegetable peels
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 ______.
n the following groups of materials, which group/groups contain only non-biodegradable materials?
(i) wood, paper, leather
(ii) polythene, detergent, PVC
(iii) plastic, detergent, grass
(iv) plastic, bakelite, DDT
(a) (iii)
(b) (iv)
(c) (i) and (iii)
(d) (ii) and (iv)
Which of the following cannot be added in a composting pit to prepare compost?
(a) sunflower plants
(b) fruit and vegetable peels
(c) flowers of plastic
(d) red worms
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
What is separation of waste?
Expired medicines, used batteries are domestic hazardous waste.
