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One of the free-living, anaerobic nitrog...

One of the free-living, anaerobic nitrogenfixer is

A

Azotobacter

B

Beijernickia

C

Rhodospirillum

D

Rhizobium

Text Solution

Verified by Experts

The correct Answer is:
C
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Match the column and choose the correct option {:("Column I","Column II"),(A."Free-living aerobic nitrogen fixers",i."Anabaena and Nostoc"),(B."Anaerobic nitrogen",ii."Pseudomonas and Thiobacillus"),(C."Nitrogen-fixing",iii."Nitrosomonas and Nitrosococcus"),(D."Denitrifying bacteria",iv."Azotobacter and beijerinckia"),(E."Nitrigying bacteria",v."Rhodospirillum"):}

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

Assertion: Reduction of nitrogen to ammonia by living organisms is called nitrification. Reason: Example of free-living nitrogen fixing anaerobic microbes are Azotobacter and Bijerinckia.

Which of the following is a free-living nitrogen fixing cyanobacteria?

Name two free-living nitrogen-fixing bacteria.

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