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Microbes in Agriculture

Choose the co...

Question

Choose the correct answers from the alternatives given.
A free-living bacterium capable of fixing nitrogen is:

A

Rhizobium

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B

Streptococcus

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C

Pseudamonas

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D

Azotobacter

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Solution

The correct option is D Azotobacter
The free-living (nonsymbiotic) bacteria are the Cyanobacteria, Anabaena, Nostoc, Azotobacter are capable of nitrogen fixation.
So, the correct option is 'Azotobacter'.

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