List -I | List-II | ||
A | Aspergillus niger | I | Butyric acid |
B | Clostridium butylicum | II | Acetic acid |
C | Saccharomyces cervisiae | III | Citric acid |
D | Acetobacter aceti | IV | Ethanol |
There are several valuable microorganisms that are beneficial to humans in various manners such as: