For the manufacture of gluconic acid and citric acid,which of the following micro-organism is used?

  • A
    Lactobacillus bulgaricus
  • B
    Acetobacter sp.
  • C
    Aspergillus niger
  • D
    Gluconobacter sp.

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Which of the following enzymes is secreted by yeast and is responsible for fermentation?

Match the following bacteria/fungi of Column $I$ with their commercial products of Column $II$.
Column $I$Column $II$
$A$. Lactobacillus$p$. Butyric acid
$B$. Aspergillus niger$q$. Acetic acid
$C$. Acetobacter aceti$r$. Lactic acid
$D$. Clostridium butylicum$s$. Citric acid

Select the code for the correct answer from the options given below.

Ethyl alcohol is commercially manufactured from:

Cyclosporin-$A$ is produced from which microorganism?

Match the following columns:
Column-$I$Column-$II$
$P$. Aspergillus niger$I$. Acetic acid
$Q$. Acetobacter aceti$II$. Citric acid
$R$. Clostridium butylicum$III$. Butyric acid
$S$. Lactobacillus$IV$. Lactic acid

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