What would happen if oxygen availability to activated sludge flocs is
reduced?
a. It will slow down the rate of degradation of organic matter
b. The center of flocs will become anoxic, which would cause death
of bacteria and eventually breakage of flocs.
c. Flocs would increase in size as anaerobic bacteria would grow
around flocs.
d. Protozoa would grow in large numbers.
NCERT Class XII
Biology - Main Course Book
Chapter 10. Microbes in Human Welfare
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The answer is: (b)..............................
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If oxygen availability to the activated sludge is reduced then the centre of flocs will become anoxic which would cause the death of the bacteria and eventually breakage of the flocks
Option b
Explanation:
- In activated sludge the bacteria that is required in aerobic bacteria. They utilise all the oxygen which is present in the water body and helps in the Killing of a large number of Aquatic organism.
- Due to this reason if the activated sludge meet oxygen free then the bacteria will ultimately get killed due to the the absence of oxygen.
- In this case there will be breakage of the flocs.
To know more about activated sludge,
What is activated sludge brainly.in
https://brainly.in/question/2960586
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