3. Match the organisms in Column A with their action in Column B.
A 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
(g) Producing antibodies
Column A | Column B |
Bacteria | Causing Cholera |
Rhizobium |
Fixing nitrogen |
Lactobacillus | Setting of curd |
Yeast | Baking of bread |
A protozoan | Causing malaria |
A virus | Causing AIDS |