Question

azotobacter,urea,azolla,azospirillum.find the odd one and write their feature s​

Answer 1

Answer:

urea ..................

Answer 2

Answer:

Azolla is a floating pteridophyte, which contains as endosymbiont the nitrogen-fixing cyanobacterium Anabaena azollae (Nostocaceae family). Widely cultivated in the Asian regions, Azolla is either incorporated into the soil before rice transplanting or grown as a dual crop along with rice.