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प्रश्न
Disposable plastic plates should not be used because ______.
पर्याय
they are made of materials with light weight
they are made of toxic materials
they are made of biodegradable materials
they are made of non-biodegradable materials
उत्तर
they are made of non-biodegradable materials
APPEARS IN
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 should biodegradable and non-biodegradable wastes be discarded in two separate dustbins?
List two changes in habit that people must adopt to dispose of nonbiodegradable waste, for saving the environment.
Explain why, some materials are biodegradable but some are non-biodegradable.
What is meant by non-biodegradable waste materials?
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.
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 should not separate our waste.
Suggest any four activities in daily life which are eco-friendly.
