Question

Which of the following is a nitrifying bacteria?

• A. Nitrosomonas and Nitrobacter
• B. Nitrosomonas and Pseudomonas
• C. Nitrobacter and Pseudomonas
• D. Nitrobacter and Lactobacillus

Answer 1

The correct option is A

Nitrosomonas and Nitrobacter

The correct option is (A):
Explanation for the correct option:

1. The conversion of ammonia to nitrates is called nitrification.
2. Nitrifying bacteria in this process are Nitrosomonas and Nitrobacter.

Explanation for the incorrect options:

Option (B):

1. Nitrosomonas is a nitrifying bacteria but Pseudomonas is a denitrifying bacteria.

Option (C):

1. Nitrobacter is a nitrifying bacteria but Pseudomonas is a denitrifying bacteria.

Final answer: Nitrosomonas and Nitrobacter are the nitrifying bacteria.