12 Questions
What is the role of Nitrobacter in the nitrogen cycle?
Converting nitrites to nitrates
Which process involves the conversion of ammonia into nitrites and nitrates?
Nitrification
Which microorganism is responsible for converting ammonia, nitrites, and nitrates into molecular nitrogen?
Pseudomonas
What is the main source of inorganic nitrogen for plants?
Dead organic remains
Which step of the nitrogen cycle involves the reduction of nitrogen to ammonia?
Ammonification
What is the product of the reaction involving Nitrobacter converting nitrites to nitrates?
$2NO_3^- + Energy$
Which process involves the conversion of free nitrogen from the atmosphere into biologically available forms?
Nitrogen fixation
What are the two major ways for nitrogen fixation, as described in the text?
Physiochemical fixation and biological nitrogen fixation
Which group of bacteria can fix nitrogen in the soil by combining atmospheric nitrogen with hydrogen to form ammonia?
Free-living bacteria
In biological nitrogen fixation, which kind of bacteria live in the root nodules of legumes and stimulate nodule formation?
Symbiotic bacteria
What is the final product obtained after the process of physiochemical fixation involving lightning and electric discharge in clouds?
Nitrates
Which step of the nitrogen cycle involves converting ammonia into nitrites and nitrates by certain bacteria?
Nitrification
Test your knowledge on the various steps of the nitrogen cycle including nitrogen fixation, assimilation, ammonification, nitrification, denitrification, and sedimentation. Learn about the process of nitrogen fixation and the different ways it can occur.
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