MCQ
Choose correct pair.
| Column $- I$ | Column $- II$ |
| $(I)$ Aspergillus niger | $(p)$ Lactic acid |
| $(II)$ Acetobacter aceti | $(q)$ Acetic acid |
| $(III)$ Lactobacillus | $(r)$ Citric acid |
| $(IV)$ Clostridium butylicuml | $(s)$ Butyric acid |
$I$ $II$ $III$ $IV$
- A$p$ $q$ $r$ $s$
- B$s$ $r$ $a$ $p$
- ✓$r$ $q$ $p$ $s$
- D$s$ $p$ $a$ $r$