Choose the incorrect pair(s):(I) Free-living | vedclass

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(D) Let us analyze each pair:$(I)$ Beijerinckia is a free-living,aerobic,nitrogen-fixing bacterium. This statement is correct.$(II)$ Rhodospirillum is

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$II, IV$

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(D) Let us analyze each pair:$(I)$ Beijerinckia is a free-living,aerobic,nitrogen-fixing bacterium. This statement is correct.$(II)$ Rhodospirillum is an anaerobic,nitrogen-fixing bacterium,not aerobic. This statement is incorrect.$(III)$ Bacillus is a free-living,nitrogen-fixing bacterium. This statement is correct.$(IV)$ Anabaena is a cyanobacterium,but Azotobacter is a free-living aerobic bacterium,not a cyanobacterium. This statement is incorrect.Therefore,the incorrect pairs are $(II)$ and $(IV)$.

Choose the incorrect pair$(s)$:
$(I)$ Free-living nitrogen-fixing aerobic microbes - Beijerinckia
$(II)$ Rhodospirillum - Aerobic microbes
$(III)$ Bacillus - Free-living
$(IV)$ Cyanobacteria - Anabaena and Azotobacter

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Choose the incorrect pair$(s)$:$(I)$ Free-living nitrogen-fixing aerobic microbes - Beijerinckia$(II)$ Rhodospirillum - Aerobic microbes$(III)$ Bacillus - Free-living$(IV)$ Cyanobacteria - Anabaena and Azotobacter