Q.
Match List I with List II and choose the correct match.
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a
A - iii, B - ii, C - i, D - iv
b
A - iii, B - i, C - iv, D - ii
c
A - ii, B - iii, C - i, D - iv
d
A - iii, B - iv, C - ii, D - i
answer is D.
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Detailed Solution
Azotobacter and Beijerinckia are aerobic free-living nitrogen fixers. Rhodospirillum is anaerobic free-living photosynthetic nitrogen fixer. Rhizobium is symbiotic nitrogen fixer in legumes. Frankia symbiotic nitrogen fixer in the root nodules of non-legumes like Alnus.
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