Biology · MICROBES IN HUMAN WELFARE

Match List-I with List-II: List-I List-II A Ladybird I Controls butterfly caterpillars B Bacillus thuringiensis II Controls aphids C Dragonfly III Fixes nitrogen in paddy fields D Anabaena IV Controls mosquitoes Choose the correct answer from the options given below:

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