Which types of bacteria are responsible for production of biogas ?

With the reference to the below figure of biogas plant answer the following questions, Which type of bacteria are responsible for the production of biogas?

Name the gobar gas liberated from blogs plant. Which type of bacteria are responsible for its production? What are the advantages of using it as a source of energy?

Fill in the blanks ......are responsible for production of biogas.

Which bacteria is responsible for the reduction of nitrates into nitrogen, (denitrifying Bacteria) in soil

Which bacteria is responsible for peptic ulcer?

Which symbiotic bacteria are responsible for determining nitrogen?

The primitive prokaryotes responsible for the production of biogas from the ruminant animals. Include the ……………. .