Question

Which of the following are ammonifying bacteria?

• A. Thiobacillus
• B. Bacillus ramosus
• C. Nitrosomonas
• D. Nitrobacter

Answer 1

The correct option is B

Bacillus ramosus

The correct option is B.

Explanation of correct option:

1. Bacillus bacteria convert organic nitrogen into simple forms of ammonia.
2. It is free-living ammonifying bacteria and releases ammonia from protein.

Explanation of incorrect options:

Option A

1. Thiobacillus is a denitrifying bacteria.
2. It reduces nitrate to nitrogen.

Option C

1. Nitrosomonas is nitrifying bacteria.
2. It reduces ammonia to nitrate.

Option D

1. Nitrobacter is nitrifying bacteria.
2. It converts ammonia to nitrate.

Final answer: Bacillus ramosus are ammonifying bacteria.