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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
We often observe domestic waste decomposing in the bylanes of our homes. List four ways to make the residents aware that the improper disposal of wastes is harmful to the environment and also for their own health.
What are Composting ? Explain its Process
The question has four options. Choose the correct answer:
Composting is carried out from
Give two examples of domestic wastes.
What things does waste contain?
Which of the following is non- biodegradable?
What are the advantages of cloth bags over plastic bags during shopping?
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 |
What is meant by garbage?
