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प्रश्न
The question has four options. Choose the correct answer:
Sewage sludge is used as
पर्याय
manure
biogas generators
both manure and biogas generators
tipping
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उत्तर
both manure and biogas generators
APPEARS IN
संबंधित प्रश्न
Name the various modes of waste disposal.
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
The question has four options. Choose the correct answer:
Sewage water is purified by
Which of the following is the best way for disposal of vegetable and fruit peels?
Which of the following is biodegradable?
Differentiate between biodegradable and non-biodegradable substances. Cite examples.
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?
Old newspapers
"The change in packaging has resulted in waste becoming non-biodegradable." Giving two examples from daily life, justify this statement.
Choose the odd one out from the following terms and name the category to which the others belong:
Used bandages, Pesticides, Face masks, Syringes
