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प्रश्न
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उत्तर
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संबंधित प्रश्न
Which of the following is the best method to dispose of biological wastes from hospitals?
(a) landfill
(b) recycling
(c) incineration
(d) composting
Write note.
Industrial waste
Multiple Choice Type:
The most rapidly increasing and much harmful waste today is
Give a reason for the following :
Landfills are coming up fast near large cities.
Mention whether the following statement is true (T) or False (F).
Some of the electronic wastes may contain valuable metals such as copper.
Mention whether the following statement is true (T) or False (F).
Electricity is one of the primary needs of human society.
Observe the bins and waste material heaps and suggest what materials can be used for preparing handicrafts materials.
Which of the following is the best way for disposal of vegetable and fruit peels?
To what use can you put the following kind of garbage and how?
Old newspapers
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 |
