Discussion
Coliform bacteria in water are the indicators of the presence of :
Answer: D
Coliforms indicate the presence of human faeces.
Coliform bacteria, and especially faecal coliforms such as Escherichia coli, live in large numbers in the intestines of humans and warm-blooded animals. Finding them in water shows faecal contamination, and so the possible presence of pathogens causing typhoid, cholera and dysentery.
They say nothing about radioactive waste or excess fertiliser. Decaying organic matter in general is measured as BOD, not by coliform counts.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development