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प्रश्न
What is meant by biodegradable waste materials?
उत्तर
Waste materials that can be broken down into non-poisonous substances in nature in due course of time, by the action of micro-organisms such as certain bacteria, are called biodegradable wastes
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संबंधित प्रश्न
Why should biodegradable and non-biodegradable wastes be discarded in two separate dustbins?
Describe an activity to show that while paper is biodegradable but plastic (say, polythene) is non-biodegradable.
State one advantage of using jute bags over plastic bags for shopping.
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.
We often use the word environment. What does it mean?
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
