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प्रश्न
One of the following is not a biodegradable material. This one is :
(a) cotton
(b) animal bones
(c) aluminium foil
(d) wood
उत्तर
aluminium foil
Aluminium foil cannot be degraded by the action of micro-organisms and hence is non-biodegradable.
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संबंधित प्रश्न
Differentiate between biodegradable and non-biodegradable substances with the help of one example each.
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.
Describe an activity to show that while paper is biodegradable but plastic (say, polythene) is non-biodegradable.
What is meant by non-biodegradable waste materials?
What type of substances are the major pollutants of the environment? Name two such substances
Explain why, it is better to use paper bags than plastic bags.
We often use the word environment. What does it mean?
Name any five items which are recyclable.
List any four domestic hazardous waste.
