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प्रश्न
Which of the following groups contain only biodegradable items?
पर्याय
Grass, flowers and leather
Grass, wood and plastic
Fruit-peels, cake and lime-juice
Cake, wood and grass
उत्तर
Grass, flowers and leather also Fruit-peels, cake and lime-juice also Cake, wood and grass.
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?
Why should biodegradable and non-biodegradable wastes be discarded in two separate dustbins?
If all the waste we generate is biodegradable, will this have no impact on the environment?
Which of the following are biodegradable and which non-biodegradable?
Glass bottle, Paper, Ball point pen refill, Hay, DDT, Wheat, Cake, Wood, Polythene bag, Jute bag, Cotton cloth, Grass, Vegetable peels
Describe an activity to show that while paper is biodegradable but plastic (say, polythene) is 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
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)
Which of the following is not a non-biodegradable material?
(a) nylon socks
(b) plastic school bag
(c) jute carry bag
(d) polyester clothes
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.
Name any five items which are recyclable.
Write the benefits of recycling.
List any four domestic hazardous waste.
Suggest any four activities in daily life which are eco-friendly.
If you dump kitchen waste in a pit, it may, after sometime
