A) Nitrobacter oxidizes nitrite to nitrate.
B) Nitrosomonas and Nitrosococcus convert ammonium ions to nitrite.
C) Nitrification reactions are energy-producing (exergonic) reactions.
D) Heterotrophic plants are more directly dependent on the nitrifying bacteria for usable nitrogen than autotrophic plants.
Correct Answer: D
Solution :
[d] Hererotrophic plants are less dependent on nitrogen obtained from nitrification since they receive some nitrite and nitrate through their parasitic or carnivorous nutritional modes.
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