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प्रश्न
List two changes in habit that people must adopt to dispose of nonbiodegradable waste, for saving the environment.
उत्तर
The changes which people must adapt to dispose of non-biodegradable wastes for saving the environment are
(a) Household waste, chemical waste and hospital waste should be disposed of by dumping them in the low-lying areas of the ground called a landfill.
(b) Broken plastic articles such as buckets, bowls, cups, plates etc. should be sent to plastic processing factories.
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?
State one advantage of using jute bags over plastic bags for shopping.
Give two examples of non-biodegradable wastes.
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)
State two advantages of using disposable paper cups over disposable plastic cups.
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
We should not separate our waste.
Write the benefits of recycling.
List any four domestic hazardous waste.
If you dump kitchen waste in a pit, it may, after sometime
