Question
Biology Question on Microbes in human welfare
A good producer of citric acid is
A
Saccharomyces
B
Aspergillus
C
Pseudomonas
D
Clostridiun
Answer
Aspergillus
Explanation
Solution
A good producer of citric acid is Aspergillus niger (a fungus).
For the most part, the largest application of Aspergillus Niger is the major source of citric acid in a major way. This organism accounts for over 99% of global citric acid production. Clostridium produces butyric acid, Saccharomyces cerevisiae is used for bread baking fermenting mailed cereals and fruit juices to produce ethanol. Pseudomonas (a bacterium) is used in vitamin-B12 production.
Therefore, the correct answer is option B, Aspergillus.