Match the following
| List - I | List - II | ||
|---|---|---|---|
| A. | Enrich nutrient quality of soil | I. | Bioreactor |
| B. | Kill insect pest | II. | Biogas |
| C. | Decomposition of dung to produce gas | III. | Bio fertilizers |
| D. | Growth of large no. of microbes on Industrial scale | IV. | Bio pesticides |
Match List-I with List-II 
Choose the correct answer from the options given below: