Microbes in Hum...

The given figure represents a typical biogas plant. Select the correct option for A, B and C respectively. 

Process of biogas production is:

Which of the following bacteria is present in the rumen of cattle?

Match column I with column II and select the correct answer from the codes given below:

Which of the following statements is incorrect?

These bacteria grow anaerobically on cellulosic material, produce large amount of methane along with CO₂ and H₂ and are collectively called as methanogens. Examples of such bacteria are:

Biogas generation is a three-stage anaerobic digestion of animal and other organic wastes. Study the following flow chart and select the correct option for stages I, II and Ill. 

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 a sewage treatment plant is a rich source of aerobic bacteria.
(iv) Biogas, commonly called as gobar gas, is pure methane.

Biogas is produced by:

Match column I with column II and select the correct option from the codes given below.