AP BIOLOGY

Detailed explanation-1: -What is Nitrification? Nitrification is a process that converts ammonia into nitrate by bacteria. Initially, the ammonia is converted to nitrite (NO2−) by the bacteria Nitrosomonas, or Nitrococcus, etc., and then to nitrate (NO3–) by Nitrobacter.

Detailed explanation-2: -Nitrification. Nitrification is the process that converts ammonia to nitrite and then to nitrate and is another important step in the global nitrogen cycle. Most nitrification occurs aerobically and is carried out exclusively by prokaryotes.

Detailed explanation-3: -NITROGEN IN SOILS | Nitrification Nitrifying bacteria convert the most reduced form of soil nitrogen, ammonia, into its most oxidized form, nitrate.

Detailed explanation-4: -Ammonia is first oxidised to nitrite by the bacteria Nitrosomonas and/or Nitrococcus. The nitrite is further oxidised to nitrate with the help of the bacterium Nitrobacter. These steps are called nitrification.

Detailed explanation-5: -The correct option is B nitrification. Nitrification is the biological conversion of ammonia or ammonium to nitrite followed by the oxidation of the nitrite to nitrate. The process of conversion of atmospheric nitrogen to forms that are usable for the plants is termed as nitrogen fixation.