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प्रश्न
What type of substances are the major pollutants of the environment? Name two such substances
उत्तर
Non-biodegradable substances are the major pollutants of the environment. Two such substances are plastic articles and glass articles.
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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.
What are the problems caused by the non-biodegradable wastes that we generate?
Describe an activity to show that while paper is biodegradable but plastic (say, polythene) is non-biodegradable.
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
Disposable plastic plates should not be used because ______.
Suggest any four activities in daily life which are eco-friendly.
If you dump kitchen waste in a pit, it may, after sometime
