Advertisements
Advertisements
Question
The question has four options. Choose the correct answer:
A huge quantity of sewage is dumped in a river. The BOD will
Options
increase
decrease
slightly decrease
remain unchanged
Advertisements
Solution
increase
APPEARS IN
RELATED QUESTIONS
Write note.
Industrial waste
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:
What are blue coloured bins used for?
What do we do to the useful components (biodegradable) of the garbage?
Which of the following is non- biodegradable?
First link in any food chain is usually green plants because ______.
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?
Define the following term:
Pollution
