Plants pick up nitrogen from the soil in the form of ammonia ions or nitrate ions, ammonia being the main product of biological nitrogen fixation. From the above view answer the following.
(a) Which soil bacteria convert ammonia to NO2 – and NO3
(b) Draw a schematic diagram of progressive reduction of one molecule of nitrogen in the present of enzyme nitrogenase to yield two molecule of ammonia.
(c) Name the enzyme for nitrogen assimilation in plants.
