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प्रश्न
The question has four options. Choose the correct answer:
A huge quantity of sewage is dumped in a river. The BOD will
पर्याय
increase
decrease
slightly decrease
remain unchanged
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उत्तर
increase
APPEARS IN
संबंधित प्रश्न
"Affluent life style has a negative effect on the environment." Justify this statement with the help of an example.
Give any two ways in which non-biodegradable substances would affect the environment.
Which of the following is the best method to dispose of biological wastes from hospitals?
(a) landfill
(b) recycling
(c) incineration
(d) composting
Give a reason for the following :
Why is municipal sewage is first separated into degradable and non-degradable wastes?
What are the most important steps in waste management?
What are the measuress adopted to prevent the spread of disease from sewage water?
Choose the correct option:
The rotting of garbage is said to be completed when the garbage:
Which of the following is the best way for disposal of vegetable and fruit peels?
To what use can you put the following kind of garbage and how?
Dry leaves collected in a garbage
Write 3 sentences on what comes to your mind when you chance to see the following.
Foul odour emanating from garbage at the entrance of your house.
