Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
Biology and Human Welfare
Question #17462
Back to Home
View All Biology and Human Welfare Questions
28 Views
Question
How does secondary treatment reduce pollution?
A. By increasing temperature
B. By adding disinfectants
C. By evaporating contaminants
D. By lowering organic content through microbial action
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Who discovered the first antibiotic, Penicillin?
35
Which type of microbes dominate in aeration tanks?
20
How do statins work in the body?
30
A Russian drone and missile barrage killed 10 people in which Ukrainian city on the night of 19–20...
(Current Affairs)
20
Which of the following is NOT a thematic session at the All India Speakers’ Conference?
(Current Affairs)
38