Microbiology of Soils A heterocyst is the progenitor of cyanobacterial vegetative cells a type of spore a cell that carries out oxygenic photosynthesis a terminally differentiated cell that fixes nitrogen the progenitor of cyanobacterial vegetative cells a type of spore a cell that carries out oxygenic photosynthesis a terminally differentiated cell that fixes nitrogen ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils __________ play a key role in the transformation of rock to soil. Cyanobacteia Pectin decomposing bacteria Nitrifying bacteria De-nitrifying bacteria Cyanobacteia Pectin decomposing bacteria Nitrifying bacteria De-nitrifying bacteria ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation especially changes nitrogen compounds, mostly amines such as NH2 fix the free nitrogen (N2) by which it should not be usable by plants changes the free nitrogen (N2) to a form usable by plants both (a) and (b) especially changes nitrogen compounds, mostly amines such as NH2 fix the free nitrogen (N2) by which it should not be usable by plants changes the free nitrogen (N2) to a form usable by plants both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following statement is not true about composition of biogas? Both (a) and (b) It is composed almost exclusively of methane and carbon dioxide It also contains with traces of H2S, N2, H2and CO It also contains with traces of O2 and Cl2 Both (a) and (b) It is composed almost exclusively of methane and carbon dioxide It also contains with traces of H2S, N2, H2and CO It also contains with traces of O2 and Cl2 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which are the main source of biofertilisers? None of these Streptococcus Bacillus Cyanobacteria None of these Streptococcus Bacillus Cyanobacteria ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following species of different genera of bacteria are not capable of transforming nitrate to nitrogen? None of these Agrobacterium Alcaligenes Achromobacter None of these Agrobacterium Alcaligenes Achromobacter ANSWER DOWNLOAD EXAMIANS APP