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प्रश्न
Mention whether the following statement is true (T) or False (F).
Electricity is one of the primary needs of human society.
विकल्प
True
False
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उत्तर
False.
Electricity is one of the secondary needs of human society.
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संबंधित प्रश्न
Multiple Choice Type:
The most rapidly increasing and much harmful waste today is
Give a reason for the following :
Why is municipal sewage is first separated into degradable and non-degradable wastes?
Can you make something useful of these waste material?Powder containers, cold-drink cans, plastic bottles, shoe-box.
Which of the following is biodegradable waste?
Which of the following is biodegradable?
Read the items mentioned in Columns I and II and fill in the related process in the Column III
| Column I | Column II | Column III | |
| (a) | Organic waste | Earthworms | (i) ______ |
| (b) | Garbage | Dig pit and fill with garbage |
(ii) ______ |
| (c) | Old newspaper | Paper bags | (iii) ______ |
To what use can you put the following kind of garbage and how?
Rotting smelly garbage
Beautiful hand crafted articles like boxes and toys are made of paper pulp in our country. Can you explain how paper pulp which is made from paper can be used to make hard boxes and other articles?
Define the following term:
Waste
