Class 11 Biology Mineral Nutrition Biological Nitrogen Fixation

Easy

Which of the following is a free-living,aerobic,non-photosynthetic nitrogen-fixer?

A
Rhizobium
B
Azotobacter
C
Rhodospirillum
D
Nostoc

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Class 11 Questions

Class 11

Biology Questions

Chapter

Mineral Nutrition

Subtopic

Biological Nitrogen Fixation

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