Which one produces gas by decomposing the gobar (Dung) in gobar gas:
1. Fungus
2. Virus
3. Methanogenic bacteria
4. Algae
Which bacteria is utilized in a Gobar gas plant:
1. Methanogens
2. Nitrifying bacteria
3. Ammonifying bacteria
4. Denitrifying bacteria
During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undegraded:
1. Lipids
2. Lignin
3. Hemi-cellulose
4. Cellulose