Microbiology of Soils
The microbial ecosystem of soil includes

biotic and abiotic components of soil
None of these
biotic components of soil
abiotic components of soil

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
A heterocyst is

a terminally differentiated cell that fixes nitrogen
a type of spore
the progenitor of cyanobacterial vegetative cells
a cell that carries out oxygenic photosynthesis

ANSWER DOWNLOAD EXAMIANS APP