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The correct sequence in biogas production is

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Important Questions on Microbes in Human Welfare

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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
Why do farmers prefer biofertilizers to chemical fertilizers these days? Give two points. 
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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
'Glomus' the genus in fungus does not help the host in
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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
Write two sources of biofertilizers.
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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
How do Blue-green algae or Cyanobacteria work as biofertilizers? Explain.
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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
The technology of biogas production was developed in India due to the efforts of:
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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
Differentiate between chemical fertilizers and biofertilizers.
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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas

Choose the correct option for the statements for Mycorrhiza:

(i) It absorbs phosphorus from the soil.

(ii) It forms root nodules with the association of Rhizobium.

(iii) They are resistant to root-borne pathogens and tolerant to salinity and drought.

(iv) They fix atmospheric nitrogen.

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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
Write an account on the role of microbes in biogas production.
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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas

The below diagram represents a typical biogas plant. Select the correct option for A, B and C respectively?

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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
Microbe which help in the production of Biogas is
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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
Explain how the microbes such as Rhizobium, Mycorrhiza and Cyanobacteria are used to replenish soil nutrients in fields.
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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas

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

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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
What is biogas? Name any two main constituents of biogas.
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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
How do biofertilizers increase the fertility of soil?
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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
Do you think microbes can also be used as a source of energy? If yes, how?
MEDIUM
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
What is biogas? Name the principal organism involved in its production.
HARD
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
Explain in brief the biogas production process with the help of a labelled figure.
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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
The gas present in maximum proportion in gobar gas is
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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
Biogas is the __________ source of energy.
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Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes in Production of Biogas
What gases are produced in anaerobic sludge digesters?