Question

Thiobacillus is a group of bacteria helpful in carrying out:

• A. Nitrification
• B. Denitrification
• C. Nitrogen fixation
• D. Chemoautotrophic fixation

Answer 1

Answer: (B)

Thiobacillus denitrificans cause denitrification i.e., conversion of oxides of nitrogen to free $N_2$.