Question

Nitrifying bacteria convert the

• A. Nitrates into nitrites
• B. Nitrites into nitrates
• C. Ammonium salts into nitrates
• D. Ammonium salts into amino acids

Answer 1

The correct option is C Ammonium salts into nitrates

Nitrification is a process of conversion of ammonium salts to nitrites and nitrites to nitrates. The bacteria that carry out this process are called as nitrifying bacteria. Nitrosomonas, Nitrosospira, Nitrosococcus convert ammonia into nitrites. Nitrobacter, Nitrospina, Nitrococcus convert nitrites into nitrates.

Thus, the correct answer is 'Ammonium salts into nitrates.'