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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.
संबंधित प्रश्न
Multiple Choice Type:
The most convenient reusable wastes are
What are the most important steps in waste management?
What does mining waste comprise of?
What is a landfill?
How can the non-useful component be reused?
List waste products produced from an industry.
List the biodegradable and non-biodegradable waste products in your school What are the best ways to get rid of this garbage?
To what use can you put the following kind of garbage and how?
Rotting smelly garbage
Put a tick (√) against the garbage items given in Table 16.1 which could be converted into manure. Put a cross (×) against the others.
| Garbage Items | Make manure or not | |
| (i) | Egg shells | |
| (ii) | Straw | |
| (iii) | Dry flowers | |
| (iv) | Pebbles | |
| (v) | Broken pieces of glass | |
| (vi) | Nails and screws | |
| (vii) | Plastic bangles | |
| (viii) | Left over food | |
| (ix) | Steel broken vessel | |
| (x) | Dead animals |
