Question

Match the following list of bacteria and their commercially important products:

Bacterium	Bacterium Product
A. Aspergillus niger	i. Lactic acid
B. Acetobacter aceti	ii. Butyric acid
C. Clostridium butylicum	iii. Acetic acid
D. Lactobacillus	iv. Citric acid

• A. A-ii, B-iii, C-iv, D-i
• B. A-iv, B-i, C-iii, D-ii
• C. A-iv, B-iii, C-ii, D-i
• D. A-ii, B-iv, C-iii, D-i

Answer 1

The correct option is C A-iv, B-iii, C-ii, D-i

Aspergillus niger- Citric acid:

Aspergillus niger is a fungus used for the industrial production of citric acid.


Acetobacter aceti- Acetic acid:

Acetobacter aceti, a gram-negative, rod-shaped bacterium, converts ethanol into acetic acid and so is used for the production of acetic acid.


Clostridium butylicum -Butyric acid:

Clostridium butylicum is an anaerobic gram positive rod-shaped bacteria which is commercially used for the production of butyric acid.

Lactobacillus-Lactic acid:

Lactobacillus is used for the commercial production of lactic acid.



Final answer: c. A-iv, B-iii, C-ii, D-i