Q. 4

What are ‘flocs’, formed during secondary treatment of sewage?

OR

Write any two places where methanogens can be found.

Answer :


Flocs are the masses of bacteria associated with fungal filaments to form mesh like structures.

Explanation:
During the secondary treatment of sewage, the primary effluent is passed into the large aeration tanks where it is continuously agitated mechanically and air is pumped into it. This leads to the vigorous growth of useful aerobic microbes into flocs.


OR


Methanogens are found in cattle dung and in the rumen of cattle. They are also found in anaerobic sludge, biogas plants, marshy areas and flooded rice fields. 

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
All About Faraday's law55 mins
Know all about Infertility39 mins
Revision Class | All Formulas of Electrodynamics63 mins
Get to know all about Immune SystemFREE Class
Know All About Types of Relations53 mins
Know all about Colligative Properties50 mins
Conic Section Part 164 mins
Exemplar Special Quiz | Reproductive Health Part 1FREE Class
Mastering Inorganic | p Block elements part 1FREE Class
Exemplar Special Quiz | Human Reproduction Part 1FREE Class
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses