Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Biology
The domestic sewage in large cities
Question Error Report
Question is incomplete/wrong
Question not belongs to this Chapter
Answer is wrong
Solution is wrong
Answer & Solution is not matching
Spelling mistake
Image missing
Website not working properly
Other (not listed above)
Error description
Thank you for reporting, we will resolve it shortly
Back to Question
Thank you for reporting, we will resolve it shortly
Q. The domestic sewage in large cities
A
Has a high BOD as it contains both aerobic and anaerobic bacteria
0%
B
Is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment Plants (STPs)
100%
C
When treated in STPs does not really require the aeration step as the sewage contains adequate oxygen
0%
D
Has very low amounts of suspended solids and dissolved salts
0%
Solution:
Correct answer is (b) Is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment Plants (STPs)