Advertisements
Advertisements
प्रश्न
Mention Whether the Following Statement is True (T) Or False (F).
Flyash is the gaseous waste of cement industry.
विकल्प
True
False
Advertisements
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Give any two ways in which biodegradable substances would affect the environment.
Give a method for the disposal of household wastes such as left-over food, fruit and vegetable peels, and leaves of potted plants.
Identify biodegradable waste from the following:
peels of vegetables and fruits, metallic cans, broken plastic toys, broken glass cover, grass, paper, ball point pen refill
Multiple Choice Type:
The most rapidly increasing and much harmful waste today is
What does mining waste comprise of?
The question has four options. Choose the correct answer:
Which one is the most toxic?
Observe the bins and waste material heaps and suggest what materials can be used for preparing handicrafts materials.
Beera, a farmer would clear his field everyday, and burn dry leaves fallen on the ground. After sometime he found that those living in huts near his field were suffering from cough and breathing problems.
- Can you explain why?
- Also suggest an environment friendly way to dispose the dry leaves.
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?
