Identify correct option for micorrhiza
$(1)$ Many members of the genus glomusinvolved micorrhiza
$(2)$ It is responsible for all mineralsabsorption from the soil
$(3)$ Such associations show benefitsagainst draught and salinity in plants
$(4)$ Micorrhiza is a symbiotic relation ofalgae and plants
$2,4$
$2,3$
$1,4$
$1,3 $
What would happen if oxygen availability to activated sludge flocs is reduced ?
Why are cyanobacteria considered useful in paddy fields ?
Mycorrhiza represents
Aquatic fern which is an excellent biofertilizer
Organic forming does not include