Match the micro-organism in column A with their action on Column B:

Column A

(i) Bacteria

(ii) rhizobium

(iii) Lactobacillus

(iv) Yeast

(v) A protozoan

(vi) A virus

(vii) penicillium

Column B

(a) Fixing nitrogen

(b) setting of curd

(c) Baking of Bread

(d) Causing malaria

(e) Causing cholera

(f) Causing AIDS

(g)Producing antibiotics