Biology · MICROBES IN HUMAN WELFARE

Match List-I with List-II: List-I List-II A Glomus I Legume root nodule symbiont B Rhizobium II Free-living nitrogen fixing cyanobacterium C Nostoc III Forms mycorrhiza D Azospirillum IV Free-living bacterial nitrogen fixer Choose the correct answer from the options given below:

1. A-(I), B-(II), C-(III), D-(IV)
2. A-(III), B-(I), C-(II), D-(IV)
3. A-(IV), B-(III), C-(I), D-(II)
4. A-(II), B-(IV), C-(III), D-(I)