Advertisements
Advertisements
प्रश्न
We should not separate our waste.
पर्याय
True
False
Advertisements
उत्तर
We should not separate our waste- False.
APPEARS IN
संबंधित प्रश्न
Differentiate between biodegradable and non-biodegradable substances with the help of one example each.
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?
Fill in the following blank with suitable word :
Plastic is a ...............material whereas paper is a.............material.
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
Name any five items which are recyclable.
Expired medicines, used batteries are domestic hazardous waste.
List any four domestic hazardous waste.
