Question
Match the micro-organisms in column A with their action in column B:
| S. No. | A | S. No. | B |
| (i) | Bacteria | (a) | Fixing nitrogen |
| (ii) | Rhizobium | (b) | Setting of curd |
| (iii) | Lactobacillus | (c) | Baking of bread |
| (iv) | Yeast | (d) | Causing malaria |
| (v) | A protozoan | (e) | Causing cholera |
| (vi) | A virus | (f) | Causing AIDS |
| (vii) | Penicillium | (g) | Producing antibiotics |