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 |
$I$ $II$ $III$ $IV$
$p$ $q$ $r$ $s$
$s$ $r$ $a$ $p$
$r$ $q$ $p$ $s$
$s$ $p$ $a$ $r$
Energy cropping is
Yeast is employed for production of
$A$ : After $24\; hours$ toddy becomes unpalatable.
$R$ : Toddy left for a few hours undergoes fermentation.
The organism used for alcohol fermentation is