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प्रश्न
The question has four options. Choose the correct answer:
Sewage water is purified by
पर्याय
microorganisms
light
fishes
aquatic plants
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उत्तर
microorganisms
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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.
How is sewage water treated?
The question has four options. Choose the correct answer:
Sewage is broken down in
What are blue coloured bins used for?
Discuss:
Is garbage disposal the responsibility only of the government?
What do you do with the leftover food at home?
Differentiate between biodegradable and non-biodegradable substances. Cite examples.
The steps required for conversion of kitchen garbage into manure are given below in a jumbled form.
- Put garbage in a pit
- Cover the bottom of the pit with sand
- Cover the pot loosely with a gunny bag or grass
- Add worms
Which of the following shows the correct sequence of the above steps?
Which of the following activities does not reflect responsible behaviour with regard to waste disposal?
Which of the following is non-biodegradable?
