MEDIUM
Earn 100
A major component of gobar gas is
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Important Questions on Microbes in Human Welfare
EASY
Which of the following in sewage treatment removes suspended solids?
EASY
The high value of BOD (Biochemical Oxygen Demand) indicates that:
HARD
Explain in brief the biogas production process with the help of a labelled figure.
EASY
Study the following statements and select the incorrect ones?
(i) Physical removal of large and small particles through filtration and sedimentation is called primary sewage treatment
(ii) Secondary sewage treatment is mainly a mechanical process
(iii) Activated sludge sediment in s sewage treatment plant is a rich source of aerobic bacteria
(iv) Biogas, commonly called as gobar gas, is pure methane
EASY
The technology of biogas production was developed in India due to the efforts of:
EASY
The microorganisms involved in floc formation during sewage treatment are
EASY
Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receiving effluents from
EASY
Define bioreactor.
EASY
The below diagram represents a typical biogas plant. Select the correct option for A, B and C respectively?
HARD
Microbe which help in the production of Biogas is
EASY
Sewage water can be purified by:
EASY
Assertion (A): Organisms of Monera having pseudomurein in cell walls are producers of biogas
Reason (R): Archaebacteria present in the gut of ruminants animals produce methane
EASY
What is biogas? Name any two main constituents of biogas.
EASY
In sewage treatment, secondary treatment is considered highly significant, because
EASY
Which bacteria is commonly found in the anaerobic sludge during sewage treatment?
EASY
Describe the role of Microbes in sewage treatment plant.
EASY
Explain the biogas plant with a neat labelled diagram.
EASY
The gas present in maximum proportion in gobar gas is
EASY
Biogas is the __________ source of energy.
EASY
What gases are produced in anaerobic sludge digesters?
