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प्रश्न
Give two examples of non-biodegradable wastes.
उत्तर
Examples are plastic and iron nails.
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संबंधित प्रश्न
After the examinations Rakesh with his friends went on a picnic to a nearby park. All friends carried cooked food packed in plastic bags or plastic cans. After eating the food some friends collected the leftover food and plastic bags etc and planned to dispose them off by burning. Rakesh immediately checked them and suggested to segregate the leftover food and peels of fruits from the plastic materials and respectively dispose them off separately in the green and red dustbins placed in the corner of the park.
(a) In your opinion, is burning plastic an ecofriendly method of waste disposal? Why? State the advantage of method suggested by Rakesh.
(b) How can we contribute in maintaining the parks and roads neat and clean?
Why is Government of India imposing a ban on the use of polythene bags? Suggest two alternatives to these bags and explain how this ban is likely to improve the environment.
Which of the following groups contain only biodegradable items?
How does a biodegradable waste differ from a non-biodegradable waste? Give two examples of non-biodegradable wastes which pollute our environment.
What is meant by non-biodegradable waste materials?
What type of substances are the major pollutants of the environment? Name two such substances
State two advantages of using disposable paper cups over disposable plastic cups.
We should not separate our waste.
Expired medicines, used batteries are domestic hazardous waste.
If you dump kitchen waste in a pit, it may, after sometime
