Question

Match column I and column II:
Column I Column II

A.	Aspergillus niger	I.	Ethanol
B.	Clostridium butylicum	II.	Citric acid
C.	Saccharomyces cerevisiae	III.	Cyclosporin A
D.	Trichoderma polysporum	IV.	Butyric acid

• A. A-IV, B-III,C-II, D-I
• B. A-I, B-II, C-IV, D-III
• C. A-II, B-IV, C-I, D-III
• D. A-III, B-II, C-IV, D-I

Answer 1

The correct option is C A-II, B-IV, C-I, D-III

Microorganisms are used commercially to synthesize many products useful for human beings. They used in the production of chemicals, enzymes, antibiotics, breweries, etc.

Aspergillus niger a fungus, is used in the production of organic acid citric acid.

Clotridium butylicum is used in the production of butyric acid.

Saccharomyces cerevisiae is used in the commercial production of ethanol.

Trichoderma polysporum, a fungus is the production of a drug (bioactive agent) cyclosporin A. This is used as imunosuppresive agent for organ-transplant patients.