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प्रश्न
What happens when insecticides, motor oil, paints are poured down the drain?
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उत्तर
If we pour insecticides, motor oil, or paint down the drain, we will kill the microbes that clean the wastewater.
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संबंधित प्रश्न
Give any two ways in which biodegradable substances would affect the environment.
What is sewage? How is sewage disposed of?
Match the items in Column I with as many times as possible in Column II.
|
Column I |
Column II |
|
1. Cow dung |
(i) Sugarcane |
|
2. Bagasse |
(ii) Raddiwalas |
|
3. Old newspapers |
(iii) Manure |
The question has four options. Choose the correct answer:
Sewage water is purified by
First link in any food chain is usually green plants because ______.
Disposable plastic plates should not be used because
Which of the following activities does not reflect responsible behaviour with regard to waste disposal?
Answer the following question in one or two words or sentences:
Who, out of the following should properly dispose of the garbage – father, mother, elder brother, younger sister?
Distinguish between the following pair:
Biodegradable and Non-biodegradable waste.
