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प्रश्न
The question has four options. Choose the correct answer:
Continuous sewage flow into a stream would lead to
विकल्प
eutrophication
algal bloom
depletion of oxygen
increase in temperature
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उत्तर
eutrophication
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संबंधित प्रश्न
Give any two ways in which non-biodegradable substances would affect the environment.
What is sewage? How is sewage disposed of?
Give a reason for the following :
Why is municipal sewage is first separated into degradable and non-degradable wastes?
Mention Whether the Following Statement is True (T) Or False (F).
Flyash is the gaseous waste of cement industry.
Choose the correct option:
The rotting of garbage is said to be completed when the garbage:
What will happen if garbage is left open in bin?
What are the advantages of cloth bags over plastic bags during shopping?
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) ______ |
Read the poem written below and then answer the questions from the information gathered from the book or elsewhere.
Name the two kinds of waste that need to be separated from each other in two different waste bins.
Distinguish between the following pair:
Biodegradable and Non-biodegradable waste.
