A Best Way To Crack Gorenment Job Exams

Microbiology Objective Questions { Microbiology of Waste Water }

1. The concept of putting microbes to help clean up the environment is called
Discuss in Forum

2. Which of the following is not employed as an oxidation method?
A.Oxidation ponds
B.Trickling filters
C.Contact aerators
D.All of these
Discuss in Forum

3. The filtering medium of trickling filters is coated with microbial flora, known as
A.zoological film
B.geological film
C.zooglocal film
D.none of these
Discuss in Forum

4.  Some cyanobacteria produce potent neurotoxins that, if ingested, will kill humans. These cyanobacteria are most likely to contaminate
A.water rich in organic carbon wastes but poor in phosphate
B.water that are anoxic
C.water rich in phosphate wastes but poor in organic carbon
D.none of the above
Discuss in Forum

5. The biogas production process takes place at the temperature
A.lesser than 25°C
D.all of these
Discuss in Forum

6. Advanced treatment is generally used to treat waste water to
A.remove coarse solids
B.remove settleable solids
C.reduce BOD
D.remove additional objectionable substances
Discuss in Forum

7. Treatment of municipal water supplies is based upon
A.coagulation, filtration, chlorination
B.chlorination, filtration, coagulation
C.filtration, coagulation, chlorination
D.coagulation, chlorination, filtration
Discuss in Forum

Page 1 of 4

 1  23 »