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प्रश्न
Which of the following groups contain only biodegradable items?
विकल्प
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.
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संबंधित प्रश्न
Differentiate between biodegradable and non-biodegradable substances with the help of one example each.
What are the problems caused by the non-biodegradable wastes that we generate?
If all the waste we generate is biodegradable, will this have no impact on the environment?
How does a biodegradable waste differ from a non-biodegradable waste? Give two examples of non-biodegradable wastes which pollute our environment.
Explain why, some materials are biodegradable but some are non-biodegradable.
State one advantage of using jute bags over plastic bags for shopping.
What is meant by biodegradable waste materials?
Which of the following materials are biodegradable?
Animal bones, Iron nails, Plastic mugs, Leather belts, Silver foil
What is meant by non-biodegradable waste materials?
Give two examples of non-biodegradable wastes.
Which of the following materials are biodegradable?
Animal bones, Iron nails, Plastic mugs, Leather belts, Silver foil
Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as ______.
One of the following is not a biodegradable material. This one is :
(a) cotton
(b) animal bones
(c) aluminium foil
(d) wood
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 often use the word environment. What does it mean?
Write the benefits of recycling.
What is separation of waste?
Expired medicines, used batteries are domestic hazardous waste.
