Biology, asked by agniSaha578, 1 year ago

Which one of the following is not a nitrogen-fixing organism?
a. Anabaena
b. Nostoc
c. Azotobacter
d. Pseudomonas

NCERT Class XII
Biology - Main Course Book

Chapter 10. Microbes in Human Welfare

Answers

Answered by prantika2

The answer is : (d).................................

Answered by TenishaTon

Answer: Pseudomonas

Explanation:

Pseudomonas is a denitrifying bacteria which converts ammonia and nitrates into free nitrogen. These bacteria are responsible for liberating the nitrogen in the environment by nitrogen cycle.

The other options such as Anabaena, nostoc, azotobacter. These organism are employed to convert the free nitrogen into salts of amino acid and nutrient rich soil.

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