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Question
Which one of the micro organism is used for production of citric acid in industries ?
Which one of the micro organism is used for production of citric acid in industries ?
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Solution
The correct option is B Aspergillus niger
Citric Acid is obtained by the aerobic fermentation of sucrose by the fungus Aspergillus niger. This acid is used in medicine, flavouring extracts, food and candies; the manufacture of ink, dyeing. It is also produced by yeast.
Lactobacillus bulgaricus is a beneficial bacteria found in the digestive tract.
Penicillium citrinum is found on moldy citrus fruits and occasionally it occurs in tropical spices and cereals.
Rhizopus nigricans is a fungus commonly known as bread mould and is the most common species of Rhizopus.
So, the correct answer is- Aspergillus niger.
Citric Acid is obtained by the aerobic fermentation of sucrose by the fungus Aspergillus niger. This acid is used in medicine, flavouring extracts, food and candies; the manufacture of ink, dyeing. It is also produced by yeast.
Lactobacillus bulgaricus is a beneficial bacteria found in the digestive tract.
Penicillium citrinum is found on moldy citrus fruits and occasionally it occurs in tropical spices and cereals.
Rhizopus nigricans is a fungus commonly known as bread mould and is the most common species of Rhizopus.
So, the correct answer is- Aspergillus niger.
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