Home
Class 12
BIOLOGY
Which one of the following is not a nitr...

Which one of the following is not a nitrogen-fixing organism ?

A

Anabaena

B

Nostoc

C

Azotobacter

D

Pseudomonas

Text Solution

Verified by Experts

The correct Answer is:
D
Pseudomonas is not a nitrogen-fixing bacteria. Pseudomonas is a saprophytic bacteria. Pseudomonas are used for biodegradation of organic pollutant like petroleum spillage. Azotobacter is a free living nitrogen fixing bacteria. Anabaena and Nostoc are free living nitrogen fixing cyanobacteria.
Promotional Banner

Similar Questions

Explore conceptually related problems

Which one of the following is free living nitrogen fixing cyanobacterium ?

Which of the following is a non-symbiotic nitrogen fixing prokaryote?

Which of the following algae has nitrogen fixing ability ?

Which of the following has four nitrogen atoms?

Which of the following polymer contains nitrogen?

Many elements are found in living organisms either free or in the form of compounds. One of the following is not found in living organisms.

Which of the following is a free living nitrogen fixing bacteria ?

Which one of the following combinations of organisms are responsible for the formation and flavour of yoghurt

Which one of the following pairs of nitrogenous bases of nucleic acids is wrongly matched with the category mentioned against it ?